Finding the Third Proportional to 2,403,248,123,906.40 and 5,155,366,980,994.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,403,248,123,906.40 : 5,155,366,980,994.20 = 5,155,366,980,994.20 : x
2. Step 2: Convert to fraction form
   2,403,248,123,906.40/5,155,366,980,994.20 = 5,155,366,980,994.20/x
3. Step 3: Cross multiply
   2,403,248,123,906.40x = 5,155,366,980,994.20 × 5,155,366,980,994.20
4. Step 4: Simplify right side
   2,403,248,123,906.40x = 26,577,808,708,725,256,075,870,208
5. Step 5: Solve for x
   x = 26,577,808,708,725,256,075,870,208/2,403,248,123,906.40
6. Step 6: Final answer
   x = 11,059,119,715,663.78