Finding the Third Proportional to 5,711,413 and 12,464,638

Step by Step Solution

1. Step 1: Write the proportion equation
   5,711,413 : 12,464,638 = 12,464,638 : x
2. Step 2: Convert to fraction form
   5,711,413/12,464,638 = 12,464,638/x
3. Step 3: Cross multiply
   5,711,413x = 12,464,638 × 12,464,638
4. Step 4: Simplify right side
   5,711,413x = 155,367,200,471,044
5. Step 5: Solve for x
   x = 155,367,200,471,044/5,711,413
6. Step 6: Final answer
   x = 27,202,935.68