Finding the Third Proportional to 112,131 and 178,375.50

Step by Step Solution

1. Step 1: Write the proportion equation
   112,131 : 178,375.50 = 178,375.50 : x
2. Step 2: Convert to fraction form
   112,131/178,375.50 = 178,375.50/x
3. Step 3: Cross multiply
   112,131x = 178,375.50 × 178,375.50
4. Step 4: Simplify right side
   112,131x = 31,817,819,000.25
5. Step 5: Solve for x
   x = 31,817,819,000.25/112,131
6. Step 6: Final answer
   x = 283,755.78