Finding the Third Proportional to 3,323,681 and 7,229,705

Step by Step Solution

1. Step 1: Write the proportion equation
   3,323,681 : 7,229,705 = 7,229,705 : x
2. Step 2: Convert to fraction form
   3,323,681/7,229,705 = 7,229,705/x
3. Step 3: Cross multiply
   3,323,681x = 7,229,705 × 7,229,705
4. Step 4: Simplify right side
   3,323,681x = 52,268,634,387,025
5. Step 5: Solve for x
   x = 52,268,634,387,025/3,323,681
6. Step 6: Final answer
   x = 15,726,128.47