Finding the Third Proportional to 14,141,120,642 and 21,270,720,135

Step by Step Solution

1. Step 1: Write the proportion equation
   14,141,120,642 : 21,270,720,135 = 21,270,720,135 : x
2. Step 2: Convert to fraction form
   14,141,120,642/21,270,720,135 = 21,270,720,135/x
3. Step 3: Cross multiply
   14,141,120,642x = 21,270,720,135 × 21,270,720,135
4. Step 4: Simplify right side
   14,141,120,642x = 452,443,535,061,494,398,976
5. Step 5: Solve for x
   x = 452,443,535,061,494,398,976/14,141,120,642
6. Step 6: Final answer
   x = 31,994,885,449.02