Finding the Third Proportional to 73,891.50 and 111,613.50

Step by Step Solution

1. Step 1: Write the proportion equation
   73,891.50 : 111,613.50 = 111,613.50 : x
2. Step 2: Convert to fraction form
   73,891.50/111,613.50 = 111,613.50/x
3. Step 3: Cross multiply
   73,891.50x = 111,613.50 × 111,613.50
4. Step 4: Simplify right side
   73,891.50x = 12,457,573,382.25
5. Step 5: Solve for x
   x = 12,457,573,382.25/73,891.50
6. Step 6: Final answer
   x = 168,592.78