Finding the Third Proportional to 86,166 and 124,105.50

Step by Step Solution

1. Step 1: Write the proportion equation
   86,166 : 124,105.50 = 124,105.50 : x
2. Step 2: Convert to fraction form
   86,166/124,105.50 = 124,105.50/x
3. Step 3: Cross multiply
   86,166x = 124,105.50 × 124,105.50
4. Step 4: Simplify right side
   86,166x = 15,402,175,130.25
5. Step 5: Solve for x
   x = 15,402,175,130.25/86,166
6. Step 6: Final answer
   x = 178,750.03