Finding the Third Proportional to 3,432,518 and 7,396,617

Step by Step Solution

1. Step 1: Write the proportion equation
   3,432,518 : 7,396,617 = 7,396,617 : x
2. Step 2: Convert to fraction form
   3,432,518/7,396,617 = 7,396,617/x
3. Step 3: Cross multiply
   3,432,518x = 7,396,617 × 7,396,617
4. Step 4: Simplify right side
   3,432,518x = 54,709,943,044,689
5. Step 5: Solve for x
   x = 54,709,943,044,689/3,432,518
6. Step 6: Final answer
   x = 15,938,719.93