Finding the Third Proportional to 15,129,411,986.25 and 33,108,873,550.50

Step by Step Solution

1. Step 1: Write the proportion equation
   15,129,411,986.25 : 33,108,873,550.50 = 33,108,873,550.50 : x
2. Step 2: Convert to fraction form
   15,129,411,986.25/33,108,873,550.50 = 33,108,873,550.50/x
3. Step 3: Cross multiply
   15,129,411,986.25x = 33,108,873,550.50 × 33,108,873,550.50
4. Step 4: Simplify right side
   15,129,411,986.25x = 1,096,197,507,782,998,491,136
5. Step 5: Solve for x
   x = 1,096,197,507,782,998,491,136/15,129,411,986.25
6. Step 6: Final answer
   x = 72,454,733,123.75