Finding the Third Proportional to 39,105,432 and 53,254,923.50

Step by Step Solution

1. Step 1: Write the proportion equation
   39,105,432 : 53,254,923.50 = 53,254,923.50 : x
2. Step 2: Convert to fraction form
   39,105,432/53,254,923.50 = 53,254,923.50/x
3. Step 3: Cross multiply
   39,105,432x = 53,254,923.50 × 53,254,923.50
4. Step 4: Simplify right side
   39,105,432x = 2,836,086,876,990,852
5. Step 5: Solve for x
   x = 2,836,086,876,990,852/39,105,432
6. Step 6: Final answer
   x = 72,524,115.75