Finding the Third Proportional to 112,648.50 and 175,434.75

Step by Step Solution

1. Step 1: Write the proportion equation
   112,648.50 : 175,434.75 = 175,434.75 : x
2. Step 2: Convert to fraction form
   112,648.50/175,434.75 = 175,434.75/x
3. Step 3: Cross multiply
   112,648.50x = 175,434.75 × 175,434.75
4. Step 4: Simplify right side
   112,648.50x = 30,777,351,507.56
5. Step 5: Solve for x
   x = 30,777,351,507.56/112,648.50
6. Step 6: Final answer
   x = 273,215.81