Finding the Third Proportional to 173,124 and 260,824.50

Step by Step Solution

1. Step 1: Write the proportion equation
   173,124 : 260,824.50 = 260,824.50 : x
2. Step 2: Convert to fraction form
   173,124/260,824.50 = 260,824.50/x
3. Step 3: Cross multiply
   173,124x = 260,824.50 × 260,824.50
4. Step 4: Simplify right side
   173,124x = 68,029,419,800.25
5. Step 5: Solve for x
   x = 68,029,419,800.25/173,124
6. Step 6: Final answer
   x = 392,951.99