Finding the Third Proportional to 571,509 and 1,229,040

Step by Step Solution

1. Step 1: Write the proportion equation
   571,509 : 1,229,040 = 1,229,040 : x
2. Step 2: Convert to fraction form
   571,509/1,229,040 = 1,229,040/x
3. Step 3: Cross multiply
   571,509x = 1,229,040 × 1,229,040
4. Step 4: Simplify right side
   571,509x = 1,510,539,321,600
5. Step 5: Solve for x
   x = 1,510,539,321,600/571,509
6. Step 6: Final answer
   x = 2,643,071.80