Finding the Third Proportional to 665,068 and 1,377,430

Step by Step Solution

1. Step 1: Write the proportion equation
   665,068 : 1,377,430 = 1,377,430 : x
2. Step 2: Convert to fraction form
   665,068/1,377,430 = 1,377,430/x
3. Step 3: Cross multiply
   665,068x = 1,377,430 × 1,377,430
4. Step 4: Simplify right side
   665,068x = 1,897,313,404,900
5. Step 5: Solve for x
   x = 1,897,313,404,900/665,068
6. Step 6: Final answer
   x = 2,852,811.15