Finding the Third Proportional to 647,971 and 1,337,345

Step by Step Solution

1. Step 1: Write the proportion equation
   647,971 : 1,337,345 = 1,337,345 : x
2. Step 2: Convert to fraction form
   647,971/1,337,345 = 1,337,345/x
3. Step 3: Cross multiply
   647,971x = 1,337,345 × 1,337,345
4. Step 4: Simplify right side
   647,971x = 1,788,491,649,025
5. Step 5: Solve for x
   x = 1,788,491,649,025/647,971
6. Step 6: Final answer
   x = 2,760,141.50