Finding the Third Proportional to 112,132.50 and 186,878.25

Step by Step Solution

1. Step 1: Write the proportion equation
   112,132.50 : 186,878.25 = 186,878.25 : x
2. Step 2: Convert to fraction form
   112,132.50/186,878.25 = 186,878.25/x
3. Step 3: Cross multiply
   112,132.50x = 186,878.25 × 186,878.25
4. Step 4: Simplify right side
   112,132.50x = 34,923,480,323.06
5. Step 5: Solve for x
   x = 34,923,480,323.06/112,132.50
6. Step 6: Final answer
   x = 311,448.33