Finding the Third Proportional to 625,681 and 1,375,778

Step by Step Solution

1. Step 1: Write the proportion equation
   625,681 : 1,375,778 = 1,375,778 : x
2. Step 2: Convert to fraction form
   625,681/1,375,778 = 1,375,778/x
3. Step 3: Cross multiply
   625,681x = 1,375,778 × 1,375,778
4. Step 4: Simplify right side
   625,681x = 1,892,765,105,284
5. Step 5: Solve for x
   x = 1,892,765,105,284/625,681
6. Step 6: Final answer
   x = 3,025,127.99