Finding the Third Proportional to 78,475.50 and 169,525.50

Step by Step Solution

1. Step 1: Write the proportion equation
   78,475.50 : 169,525.50 = 169,525.50 : x
2. Step 2: Convert to fraction form
   78,475.50/169,525.50 = 169,525.50/x
3. Step 3: Cross multiply
   78,475.50x = 169,525.50 × 169,525.50
4. Step 4: Simplify right side
   78,475.50x = 28,738,895,150.25
5. Step 5: Solve for x
   x = 28,738,895,150.25/78,475.50
6. Step 6: Final answer
   x = 366,214.87