Finding the Third Proportional to 637,265 and 1,390,468

Step by Step Solution

1. Step 1: Write the proportion equation
   637,265 : 1,390,468 = 1,390,468 : x
2. Step 2: Convert to fraction form
   637,265/1,390,468 = 1,390,468/x
3. Step 3: Cross multiply
   637,265x = 1,390,468 × 1,390,468
4. Step 4: Simplify right side
   637,265x = 1,933,401,259,024
5. Step 5: Solve for x
   x = 1,933,401,259,024/637,265
6. Step 6: Final answer
   x = 3,033,904.67