Finding the Third Proportional to 9,149,786 and 12,198,327

Step by Step Solution

1. Step 1: Write the proportion equation
   9,149,786 : 12,198,327 = 12,198,327 : x
2. Step 2: Convert to fraction form
   9,149,786/12,198,327 = 12,198,327/x
3. Step 3: Cross multiply
   9,149,786x = 12,198,327 × 12,198,327
4. Step 4: Simplify right side
   9,149,786x = 148,799,181,598,929
5. Step 5: Solve for x
   x = 148,799,181,598,929/9,149,786
6. Step 6: Final answer
   x = 16,262,585.99