Finding the Third Proportional to 78,714.50 and 169,866

Step by Step Solution

1. Step 1: Write the proportion equation
   78,714.50 : 169,866 = 169,866 : x
2. Step 2: Convert to fraction form
   78,714.50/169,866 = 169,866/x
3. Step 3: Cross multiply
   78,714.50x = 169,866 × 169,866
4. Step 4: Simplify right side
   78,714.50x = 28,854,457,956
5. Step 5: Solve for x
   x = 28,854,457,956/78,714.50
6. Step 6: Final answer
   x = 366,571.06