Finding the Third Proportional to 665,062.50 and 1,377,420

Step by Step Solution

1. Step 1: Write the proportion equation
   665,062.50 : 1,377,420 = 1,377,420 : x
2. Step 2: Convert to fraction form
   665,062.50/1,377,420 = 1,377,420/x
3. Step 3: Cross multiply
   665,062.50x = 1,377,420 × 1,377,420
4. Step 4: Simplify right side
   665,062.50x = 1,897,285,856,400
5. Step 5: Solve for x
   x = 1,897,285,856,400/665,062.50
6. Step 6: Final answer
   x = 2,852,793.32