Finding the Third Proportional to 16,581,073.50 and 35,681,571

Step by Step Solution

1. Step 1: Write the proportion equation
   16,581,073.50 : 35,681,571 = 35,681,571 : x
2. Step 2: Convert to fraction form
   16,581,073.50/35,681,571 = 35,681,571/x
3. Step 3: Cross multiply
   16,581,073.50x = 35,681,571 × 35,681,571
4. Step 4: Simplify right side
   16,581,073.50x = 1,273,174,509,028,041
5. Step 5: Solve for x
   x = 1,273,174,509,028,041/16,581,073.50
6. Step 6: Final answer
   x = 76,784,805.82