Finding the Third Proportional to 2,430,810 and 5,221,908

Step by Step Solution

1. Step 1: Write the proportion equation
   2,430,810 : 5,221,908 = 5,221,908 : x
2. Step 2: Convert to fraction form
   2,430,810/5,221,908 = 5,221,908/x
3. Step 3: Cross multiply
   2,430,810x = 5,221,908 × 5,221,908
4. Step 4: Simplify right side
   2,430,810x = 27,268,323,160,464
5. Step 5: Solve for x
   x = 27,268,323,160,464/2,430,810
6. Step 6: Final answer
   x = 11,217,792.90