Finding the Third Proportional to 488,478 and 1,029,436

Step by Step Solution

1. Step 1: Write the proportion equation
   488,478 : 1,029,436 = 1,029,436 : x
2. Step 2: Convert to fraction form
   488,478/1,029,436 = 1,029,436/x
3. Step 3: Cross multiply
   488,478x = 1,029,436 × 1,029,436
4. Step 4: Simplify right side
   488,478x = 1,059,738,478,096
5. Step 5: Solve for x
   x = 1,059,738,478,096/488,478
6. Step 6: Final answer
   x = 2,169,470.23