Finding the Third Proportional to 78,607.55 and 169,662.15

Step by Step Solution

1. Step 1: Write the proportion equation
   78,607.55 : 169,662.15 = 169,662.15 : x
2. Step 2: Convert to fraction form
   78,607.55/169,662.15 = 169,662.15/x
3. Step 3: Cross multiply
   78,607.55x = 169,662.15 × 169,662.15
4. Step 4: Simplify right side
   78,607.55x = 28,785,243,949.69
5. Step 5: Solve for x
   x = 28,785,243,949.69/78,607.55
6. Step 6: Final answer
   x = 366,189.32