Finding the Third Proportional to 269,892 and 577,154.25

Step by Step Solution

1. Step 1: Write the proportion equation
   269,892 : 577,154.25 = 577,154.25 : x
2. Step 2: Convert to fraction form
   269,892/577,154.25 = 577,154.25/x
3. Step 3: Cross multiply
   269,892x = 577,154.25 × 577,154.25
4. Step 4: Simplify right side
   269,892x = 333,107,028,293.06
5. Step 5: Solve for x
   x = 333,107,028,293.06/269,892
6. Step 6: Final answer
   x = 1,234,223.42