Finding the Third Proportional to 489,002 and 748,034

Step by Step Solution

1. Step 1: Write the proportion equation
   489,002 : 748,034 = 748,034 : x
2. Step 2: Convert to fraction form
   489,002/748,034 = 748,034/x
3. Step 3: Cross multiply
   489,002x = 748,034 × 748,034
4. Step 4: Simplify right side
   489,002x = 559,554,865,156
5. Step 5: Solve for x
   x = 559,554,865,156/489,002
6. Step 6: Final answer
   x = 1,144,279.30