Finding the Third Proportional to 78,485.50 and 169,850

Step by Step Solution

1. Step 1: Write the proportion equation
   78,485.50 : 169,850 = 169,850 : x
2. Step 2: Convert to fraction form
   78,485.50/169,850 = 169,850/x
3. Step 3: Cross multiply
   78,485.50x = 169,850 × 169,850
4. Step 4: Simplify right side
   78,485.50x = 28,849,022,500
5. Step 5: Solve for x
   x = 28,849,022,500/78,485.50
6. Step 6: Final answer
   x = 367,571.37