Finding the Third Proportional to 2,403,248,123,949 and 5,155,366,981,072

Step by Step Solution

1. Step 1: Write the proportion equation
   2,403,248,123,949 : 5,155,366,981,072 = 5,155,366,981,072 : x
2. Step 2: Convert to fraction form
   2,403,248,123,949/5,155,366,981,072 = 5,155,366,981,072/x
3. Step 3: Cross multiply
   2,403,248,123,949x = 5,155,366,981,072 × 5,155,366,981,072
4. Step 4: Simplify right side
   2,403,248,123,949x = 26,577,808,709,527,427,117,744,128
5. Step 5: Solve for x
   x = 26,577,808,709,527,427,117,744,128/2,403,248,123,949
6. Step 6: Final answer
   x = 11,059,119,715,801.53