Finding the Third Proportional to 6,642,632 and 9,929,367

Step by Step Solution

1. Step 1: Write the proportion equation
   6,642,632 : 9,929,367 = 9,929,367 : x
2. Step 2: Convert to fraction form
   6,642,632/9,929,367 = 9,929,367/x
3. Step 3: Cross multiply
   6,642,632x = 9,929,367 × 9,929,367
4. Step 4: Simplify right side
   6,642,632x = 98,592,329,020,689
5. Step 5: Solve for x
   x = 98,592,329,020,689/6,642,632
6. Step 6: Final answer
   x = 14,842,359.03