Finding the Third Proportional to 36,544.50 and 78,728.63

Step by Step Solution

1. Step 1: Write the proportion equation
   36,544.50 : 78,728.63 = 78,728.63 : x
2. Step 2: Convert to fraction form
   36,544.50/78,728.63 = 78,728.63/x
3. Step 3: Cross multiply
   36,544.50x = 78,728.63 × 78,728.63
4. Step 4: Simplify right side
   36,544.50x = 6,198,196,394.39
5. Step 5: Solve for x
   x = 6,198,196,394.39/36,544.50
6. Step 6: Final answer
   x = 169,606.82