Finding the Third Proportional to 111,100 and 172,050

Step by Step Solution

1. Step 1: Write the proportion equation
   111,100 : 172,050 = 172,050 : x
2. Step 2: Convert to fraction form
   111,100/172,050 = 172,050/x
3. Step 3: Cross multiply
   111,100x = 172,050 × 172,050
4. Step 4: Simplify right side
   111,100x = 29,601,202,500
5. Step 5: Solve for x
   x = 29,601,202,500/111,100
6. Step 6: Final answer
   x = 266,437.47