Finding the Third Proportional to 488,474 and 1,029,428

Step by Step Solution

1. Step 1: Write the proportion equation
   488,474 : 1,029,428 = 1,029,428 : x
2. Step 2: Convert to fraction form
   488,474/1,029,428 = 1,029,428/x
3. Step 3: Cross multiply
   488,474x = 1,029,428 × 1,029,428
4. Step 4: Simplify right side
   488,474x = 1,059,722,007,184
5. Step 5: Solve for x
   x = 1,059,722,007,184/488,474
6. Step 6: Final answer
   x = 2,169,454.27