Finding the Third Proportional to 625,638 and 1,375,692

Step by Step Solution

1. Step 1: Write the proportion equation
   625,638 : 1,375,692 = 1,375,692 : x
2. Step 2: Convert to fraction form
   625,638/1,375,692 = 1,375,692/x
3. Step 3: Cross multiply
   625,638x = 1,375,692 × 1,375,692
4. Step 4: Simplify right side
   625,638x = 1,892,528,478,864
5. Step 5: Solve for x
   x = 1,892,528,478,864/625,638
6. Step 6: Final answer
   x = 3,024,957.69