Finding the Third Proportional to 473,287 and 1,038,428

Step by Step Solution

1. Step 1: Write the proportion equation
   473,287 : 1,038,428 = 1,038,428 : x
2. Step 2: Convert to fraction form
   473,287/1,038,428 = 1,038,428/x
3. Step 3: Cross multiply
   473,287x = 1,038,428 × 1,038,428
4. Step 4: Simplify right side
   473,287x = 1,078,332,711,184
5. Step 5: Solve for x
   x = 1,078,332,711,184/473,287
6. Step 6: Final answer
   x = 2,278,390.73