Finding the Third Proportional to 78,561.50 and 169,573

Step by Step Solution

1. Step 1: Write the proportion equation
   78,561.50 : 169,573 = 169,573 : x
2. Step 2: Convert to fraction form
   78,561.50/169,573 = 169,573/x
3. Step 3: Cross multiply
   78,561.50x = 169,573 × 169,573
4. Step 4: Simplify right side
   78,561.50x = 28,755,002,329
5. Step 5: Solve for x
   x = 28,755,002,329/78,561.50
6. Step 6: Final answer
   x = 366,019.01