Finding the Third Proportional to 6,566,805 and 10,490,458.50

Step by Step Solution

1. Step 1: Write the proportion equation
   6,566,805 : 10,490,458.50 = 10,490,458.50 : x
2. Step 2: Convert to fraction form
   6,566,805/10,490,458.50 = 10,490,458.50/x
3. Step 3: Cross multiply
   6,566,805x = 10,490,458.50 × 10,490,458.50
4. Step 4: Simplify right side
   6,566,805x = 110,049,719,540,222.25
5. Step 5: Solve for x
   x = 110,049,719,540,222.25/6,566,805
6. Step 6: Final answer
   x = 16,758,487.50