Finding the Third Proportional to 16,578,442.50 and 35,676,309.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,578,442.50 : 35,676,309.50 = 35,676,309.50 : x
2. Step 2: Convert to fraction form
   16,578,442.50/35,676,309.50 = 35,676,309.50/x
3. Step 3: Cross multiply
   16,578,442.50x = 35,676,309.50 × 35,676,309.50
4. Step 4: Simplify right side
   16,578,442.50x = 1,272,799,059,539,790.25
5. Step 5: Solve for x
   x = 1,272,799,059,539,790.25/16,578,442.50
6. Step 6: Final answer
   x = 76,774,344.73