Finding the Third Proportional to 78,269.50 and 169,300.75

Step by Step Solution

1. Step 1: Write the proportion equation
   78,269.50 : 169,300.75 = 169,300.75 : x
2. Step 2: Convert to fraction form
   78,269.50/169,300.75 = 169,300.75/x
3. Step 3: Cross multiply
   78,269.50x = 169,300.75 × 169,300.75
4. Step 4: Simplify right side
   78,269.50x = 28,662,743,950.56
5. Step 5: Solve for x
   x = 28,662,743,950.56/78,269.50
6. Step 6: Final answer
   x = 366,205.79