Finding the Third Proportional to 3,352,440 and 7,240,730

Step by Step Solution

1. Step 1: Write the proportion equation
   3,352,440 : 7,240,730 = 7,240,730 : x
2. Step 2: Convert to fraction form
   3,352,440/7,240,730 = 7,240,730/x
3. Step 3: Cross multiply
   3,352,440x = 7,240,730 × 7,240,730
4. Step 4: Simplify right side
   3,352,440x = 52,428,170,932,900
5. Step 5: Solve for x
   x = 52,428,170,932,900/3,352,440
6. Step 6: Final answer
   x = 15,638,809.62