Finding the Third Proportional to 36,350.50 and 78,429.25

Step by Step Solution

1. Step 1: Write the proportion equation
   36,350.50 : 78,429.25 = 78,429.25 : x
2. Step 2: Convert to fraction form
   36,350.50/78,429.25 = 78,429.25/x
3. Step 3: Cross multiply
   36,350.50x = 78,429.25 × 78,429.25
4. Step 4: Simplify right side
   36,350.50x = 6,151,147,255.56
5. Step 5: Solve for x
   x = 6,151,147,255.56/36,350.50
6. Step 6: Final answer
   x = 169,217.68