Finding the Third Proportional to 112,198.50 and 172,444.50

Step by Step Solution

1. Step 1: Write the proportion equation
   112,198.50 : 172,444.50 = 172,444.50 : x
2. Step 2: Convert to fraction form
   112,198.50/172,444.50 = 172,444.50/x
3. Step 3: Cross multiply
   112,198.50x = 172,444.50 × 172,444.50
4. Step 4: Simplify right side
   112,198.50x = 29,737,105,580.25
5. Step 5: Solve for x
   x = 29,737,105,580.25/112,198.50
6. Step 6: Final answer
   x = 265,040.13