Finding the Third Proportional to 126,918 and 168,472.50

Step by Step Solution

1. Step 1: Write the proportion equation
   126,918 : 168,472.50 = 168,472.50 : x
2. Step 2: Convert to fraction form
   126,918/168,472.50 = 168,472.50/x
3. Step 3: Cross multiply
   126,918x = 168,472.50 × 168,472.50
4. Step 4: Simplify right side
   126,918x = 28,382,983,256.25
5. Step 5: Solve for x
   x = 28,382,983,256.25/126,918
6. Step 6: Final answer
   x = 223,632.45