Finding the Third Proportional to 408,088 and 573,662

Step by Step Solution

1. Step 1: Write the proportion equation
   408,088 : 573,662 = 573,662 : x
2. Step 2: Convert to fraction form
   408,088/573,662 = 573,662/x
3. Step 3: Cross multiply
   408,088x = 573,662 × 573,662
4. Step 4: Simplify right side
   408,088x = 329,088,090,244
5. Step 5: Solve for x
   x = 329,088,090,244/408,088
6. Step 6: Final answer
   x = 806,414.52