Finding the Third Proportional to 519,229.50 and 1,121,499

Step by Step Solution

1. Step 1: Write the proportion equation
   519,229.50 : 1,121,499 = 1,121,499 : x
2. Step 2: Convert to fraction form
   519,229.50/1,121,499 = 1,121,499/x
3. Step 3: Cross multiply
   519,229.50x = 1,121,499 × 1,121,499
4. Step 4: Simplify right side
   519,229.50x = 1,257,760,007,001
5. Step 5: Solve for x
   x = 1,257,760,007,001/519,229.50
6. Step 6: Final answer
   x = 2,422,358.53