Finding the Third Proportional to 78,471.50 and 169,518

Step by Step Solution

1. Step 1: Write the proportion equation
   78,471.50 : 169,518 = 169,518 : x
2. Step 2: Convert to fraction form
   78,471.50/169,518 = 169,518/x
3. Step 3: Cross multiply
   78,471.50x = 169,518 × 169,518
4. Step 4: Simplify right side
   78,471.50x = 28,736,352,324
5. Step 5: Solve for x
   x = 28,736,352,324/78,471.50
6. Step 6: Final answer
   x = 366,201.13