Finding the Third Proportional to 78,480.50 and 169,997

Step by Step Solution

1. Step 1: Write the proportion equation
   78,480.50 : 169,997 = 169,997 : x
2. Step 2: Convert to fraction form
   78,480.50/169,997 = 169,997/x
3. Step 3: Cross multiply
   78,480.50x = 169,997 × 169,997
4. Step 4: Simplify right side
   78,480.50x = 28,898,980,009
5. Step 5: Solve for x
   x = 28,898,980,009/78,480.50
6. Step 6: Final answer
   x = 368,231.34