Finding the Third Proportional to 15,151,854 and 33,138,055.50

Step by Step Solution

1. Step 1: Write the proportion equation
   15,151,854 : 33,138,055.50 = 33,138,055.50 : x
2. Step 2: Convert to fraction form
   15,151,854/33,138,055.50 = 33,138,055.50/x
3. Step 3: Cross multiply
   15,151,854x = 33,138,055.50 × 33,138,055.50
4. Step 4: Simplify right side
   15,151,854x = 1,098,130,722,321,080.25
5. Step 5: Solve for x
   x = 1,098,130,722,321,080.25/15,151,854
6. Step 6: Final answer
   x = 72,475,006.84