Finding the Third Proportional to 112,405.50 and 166,905

Step by Step Solution

1. Step 1: Write the proportion equation
   112,405.50 : 166,905 = 166,905 : x
2. Step 2: Convert to fraction form
   112,405.50/166,905 = 166,905/x
3. Step 3: Cross multiply
   112,405.50x = 166,905 × 166,905
4. Step 4: Simplify right side
   112,405.50x = 27,857,279,025
5. Step 5: Solve for x
   x = 27,857,279,025/112,405.50
6. Step 6: Final answer
   x = 247,828.43