Finding the Third Proportional to 4,428,748 and 7,231,684

Step by Step Solution

1. Step 1: Write the proportion equation
   4,428,748 : 7,231,684 = 7,231,684 : x
2. Step 2: Convert to fraction form
   4,428,748/7,231,684 = 7,231,684/x
3. Step 3: Cross multiply
   4,428,748x = 7,231,684 × 7,231,684
4. Step 4: Simplify right side
   4,428,748x = 52,297,253,475,856
5. Step 5: Solve for x
   x = 52,297,253,475,856/4,428,748
6. Step 6: Final answer
   x = 11,808,586.42