Finding the Third Proportional to 665,061 and 1,377,417

Step by Step Solution

1. Step 1: Write the proportion equation
   665,061 : 1,377,417 = 1,377,417 : x
2. Step 2: Convert to fraction form
   665,061/1,377,417 = 1,377,417/x
3. Step 3: Cross multiply
   665,061x = 1,377,417 × 1,377,417
4. Step 4: Simplify right side
   665,061x = 1,897,277,591,889
5. Step 5: Solve for x
   x = 1,897,277,591,889/665,061
6. Step 6: Final answer
   x = 2,852,787.33