Finding the Third Proportional to 85,186.50 and 179,200.50

Step by Step Solution

1. Step 1: Write the proportion equation
   85,186.50 : 179,200.50 = 179,200.50 : x
2. Step 2: Convert to fraction form
   85,186.50/179,200.50 = 179,200.50/x
3. Step 3: Cross multiply
   85,186.50x = 179,200.50 × 179,200.50
4. Step 4: Simplify right side
   85,186.50x = 32,112,819,200.25
5. Step 5: Solve for x
   x = 32,112,819,200.25/85,186.50
6. Step 6: Final answer
   x = 376,970.75