Finding the Third Proportional to 2,403,248,123,918 and 5,155,366,981,018

Step by Step Solution

1. Step 1: Write the proportion equation
   2,403,248,123,918 : 5,155,366,981,018 = 5,155,366,981,018 : x
2. Step 2: Convert to fraction form
   2,403,248,123,918/5,155,366,981,018 = 5,155,366,981,018/x
3. Step 3: Cross multiply
   2,403,248,123,918x = 5,155,366,981,018 × 5,155,366,981,018
4. Step 4: Simplify right side
   2,403,248,123,918x = 26,577,808,708,970,649,032,327,168
5. Step 5: Solve for x
   x = 26,577,808,708,970,649,032,327,168/2,403,248,123,918
6. Step 6: Final answer
   x = 11,059,119,715,712.51