Finding the Third Proportional to 398,571 and 592,180.50

Step by Step Solution

1. Step 1: Write the proportion equation
   398,571 : 592,180.50 = 592,180.50 : x
2. Step 2: Convert to fraction form
   398,571/592,180.50 = 592,180.50/x
3. Step 3: Cross multiply
   398,571x = 592,180.50 × 592,180.50
4. Step 4: Simplify right side
   398,571x = 350,677,744,580.25
5. Step 5: Solve for x
   x = 350,677,744,580.25/398,571
6. Step 6: Final answer
   x = 879,837.58