Finding the Third Proportional to 78,490.50 and 169,932

Step by Step Solution

1. Step 1: Write the proportion equation
   78,490.50 : 169,932 = 169,932 : x
2. Step 2: Convert to fraction form
   78,490.50/169,932 = 169,932/x
3. Step 3: Cross multiply
   78,490.50x = 169,932 × 169,932
4. Step 4: Simplify right side
   78,490.50x = 28,876,884,624
5. Step 5: Solve for x
   x = 28,876,884,624/78,490.50
6. Step 6: Final answer
   x = 367,902.93