Finding the Third Proportional to 173,116.50 and 260,814

Step by Step Solution

1. Step 1: Write the proportion equation
   173,116.50 : 260,814 = 260,814 : x
2. Step 2: Convert to fraction form
   173,116.50/260,814 = 260,814/x
3. Step 3: Cross multiply
   173,116.50x = 260,814 × 260,814
4. Step 4: Simplify right side
   173,116.50x = 68,023,942,596
5. Step 5: Solve for x
   x = 68,023,942,596/173,116.50
6. Step 6: Final answer
   x = 392,937.37