Finding the Third Proportional to 637,317 and 1,387,026

Step by Step Solution

1. Step 1: Write the proportion equation
   637,317 : 1,387,026 = 1,387,026 : x
2. Step 2: Convert to fraction form
   637,317/1,387,026 = 1,387,026/x
3. Step 3: Cross multiply
   637,317x = 1,387,026 × 1,387,026
4. Step 4: Simplify right side
   637,317x = 1,923,841,124,676
5. Step 5: Solve for x
   x = 1,923,841,124,676/637,317
6. Step 6: Final answer
   x = 3,018,656.53