Finding the Third Proportional to 8,461,218 and 12,337,419

Step by Step Solution

1. Step 1: Write the proportion equation
   8,461,218 : 12,337,419 = 12,337,419 : x
2. Step 2: Convert to fraction form
   8,461,218/12,337,419 = 12,337,419/x
3. Step 3: Cross multiply
   8,461,218x = 12,337,419 × 12,337,419
4. Step 4: Simplify right side
   8,461,218x = 152,211,907,581,561
5. Step 5: Solve for x
   x = 152,211,907,581,561/8,461,218
6. Step 6: Final answer
   x = 17,989,361.29