Finding the Third Proportional to 3,490,566 and 5,401,737

Step by Step Solution

1. Step 1: Write the proportion equation
   3,490,566 : 5,401,737 = 5,401,737 : x
2. Step 2: Convert to fraction form
   3,490,566/5,401,737 = 5,401,737/x
3. Step 3: Cross multiply
   3,490,566x = 5,401,737 × 5,401,737
4. Step 4: Simplify right side
   3,490,566x = 29,178,762,617,169
5. Step 5: Solve for x
   x = 29,178,762,617,169/3,490,566
6. Step 6: Final answer
   x = 8,359,321.27