Finding the Third Proportional to 6,466,824 and 8,991,505

Step by Step Solution

1. Step 1: Write the proportion equation
   6,466,824 : 8,991,505 = 8,991,505 : x
2. Step 2: Convert to fraction form
   6,466,824/8,991,505 = 8,991,505/x
3. Step 3: Cross multiply
   6,466,824x = 8,991,505 × 8,991,505
4. Step 4: Simplify right side
   6,466,824x = 80,847,162,165,025
5. Step 5: Solve for x
   x = 80,847,162,165,025/6,466,824
6. Step 6: Final answer
   x = 12,501,834.31