Finding the Third Proportional to 172,031.50 and 237,716

Step by Step Solution

1. Step 1: Write the proportion equation
   172,031.50 : 237,716 = 237,716 : x
2. Step 2: Convert to fraction form
   172,031.50/237,716 = 237,716/x
3. Step 3: Cross multiply
   172,031.50x = 237,716 × 237,716
4. Step 4: Simplify right side
   172,031.50x = 56,508,896,656
5. Step 5: Solve for x
   x = 56,508,896,656/172,031.50
6. Step 6: Final answer
   x = 328,479.94