Finding the Third Proportional to 599,292 and 1,287,521

Step by Step Solution

1. Step 1: Write the proportion equation
   599,292 : 1,287,521 = 1,287,521 : x
2. Step 2: Convert to fraction form
   599,292/1,287,521 = 1,287,521/x
3. Step 3: Cross multiply
   599,292x = 1,287,521 × 1,287,521
4. Step 4: Simplify right side
   599,292x = 1,657,710,325,441
5. Step 5: Solve for x
   x = 1,657,710,325,441/599,292
6. Step 6: Final answer
   x = 2,766,114.56