Finding the Third Proportional to 126,916.50 and 168,470

Step by Step Solution

1. Step 1: Write the proportion equation
   126,916.50 : 168,470 = 168,470 : x
2. Step 2: Convert to fraction form
   126,916.50/168,470 = 168,470/x
3. Step 3: Cross multiply
   126,916.50x = 168,470 × 168,470
4. Step 4: Simplify right side
   126,916.50x = 28,382,140,900
5. Step 5: Solve for x
   x = 28,382,140,900/126,916.50
6. Step 6: Final answer
   x = 223,628.46