Finding the Third Proportional to 3,426,634 and 5,140,605

Step by Step Solution

1. Step 1: Write the proportion equation
   3,426,634 : 5,140,605 = 5,140,605 : x
2. Step 2: Convert to fraction form
   3,426,634/5,140,605 = 5,140,605/x
3. Step 3: Cross multiply
   3,426,634x = 5,140,605 × 5,140,605
4. Step 4: Simplify right side
   3,426,634x = 26,425,819,766,025
5. Step 5: Solve for x
   x = 26,425,819,766,025/3,426,634
6. Step 6: Final answer
   x = 7,711,888.62