Finding the Third Proportional to 3,487,317 and 7,389,474

Step by Step Solution

1. Step 1: Write the proportion equation
   3,487,317 : 7,389,474 = 7,389,474 : x
2. Step 2: Convert to fraction form
   3,487,317/7,389,474 = 7,389,474/x
3. Step 3: Cross multiply
   3,487,317x = 7,389,474 × 7,389,474
4. Step 4: Simplify right side
   3,487,317x = 54,604,325,996,676
5. Step 5: Solve for x
   x = 54,604,325,996,676/3,487,317
6. Step 6: Final answer
   x = 15,657,976.03