Finding the Third Proportional to 606,492,415.69 and 866,691,697.50

Step by Step Solution

1. Step 1: Write the proportion equation
   606,492,415.69 : 866,691,697.50 = 866,691,697.50 : x
2. Step 2: Convert to fraction form
   606,492,415.69/866,691,697.50 = 866,691,697.50/x
3. Step 3: Cross multiply
   606,492,415.69x = 866,691,697.50 × 866,691,697.50
4. Step 4: Simplify right side
   606,492,415.69x = 751,154,498,515,431,552
5. Step 5: Solve for x
   x = 751,154,498,515,431,552/606,492,415.69
6. Step 6: Final answer
   x = 1,238,522,492.76