Finding the Third Proportional to 665,064 and 1,377,423

Step by Step Solution

1. Step 1: Write the proportion equation
   665,064 : 1,377,423 = 1,377,423 : x
2. Step 2: Convert to fraction form
   665,064/1,377,423 = 1,377,423/x
3. Step 3: Cross multiply
   665,064x = 1,377,423 × 1,377,423
4. Step 4: Simplify right side
   665,064x = 1,897,294,120,929
5. Step 5: Solve for x
   x = 1,897,294,120,929/665,064
6. Step 6: Final answer
   x = 2,852,799.31