Finding the Third Proportional to 131,152.50 and 235,312

Step by Step Solution

1. Step 1: Write the proportion equation
   131,152.50 : 235,312 = 235,312 : x
2. Step 2: Convert to fraction form
   131,152.50/235,312 = 235,312/x
3. Step 3: Cross multiply
   131,152.50x = 235,312 × 235,312
4. Step 4: Simplify right side
   131,152.50x = 55,371,737,344
5. Step 5: Solve for x
   x = 55,371,737,344/131,152.50
6. Step 6: Final answer
   x = 422,193.53