Finding the Third Proportional to 16,581,065.50 and 35,681,555

Step by Step Solution

1. Step 1: Write the proportion equation
   16,581,065.50 : 35,681,555 = 35,681,555 : x
2. Step 2: Convert to fraction form
   16,581,065.50/35,681,555 = 35,681,555/x
3. Step 3: Cross multiply
   16,581,065.50x = 35,681,555 × 35,681,555
4. Step 4: Simplify right side
   16,581,065.50x = 1,273,173,367,218,025
5. Step 5: Solve for x
   x = 1,273,173,367,218,025/16,581,065.50
6. Step 6: Final answer
   x = 76,784,774.01