Finding the Third Proportional to 6,428,016 and 9,412,008

Step by Step Solution

1. Step 1: Write the proportion equation
   6,428,016 : 9,412,008 = 9,412,008 : x
2. Step 2: Convert to fraction form
   6,428,016/9,412,008 = 9,412,008/x
3. Step 3: Cross multiply
   6,428,016x = 9,412,008 × 9,412,008
4. Step 4: Simplify right side
   6,428,016x = 88,585,894,592,064
5. Step 5: Solve for x
   x = 88,585,894,592,064/6,428,016
6. Step 6: Final answer
   x = 13,781,218.74