Finding the Third Proportional to 111,393 and 172,750.50

Step by Step Solution

1. Step 1: Write the proportion equation
   111,393 : 172,750.50 = 172,750.50 : x
2. Step 2: Convert to fraction form
   111,393/172,750.50 = 172,750.50/x
3. Step 3: Cross multiply
   111,393x = 172,750.50 × 172,750.50
4. Step 4: Simplify right side
   111,393x = 29,842,735,250.25
5. Step 5: Solve for x
   x = 29,842,735,250.25/111,393
6. Step 6: Final answer
   x = 267,904.94