Finding the Third Proportional to 36,685.50 and 54,055.50

Step by Step Solution

1. Step 1: Write the proportion equation
   36,685.50 : 54,055.50 = 54,055.50 : x
2. Step 2: Convert to fraction form
   36,685.50/54,055.50 = 54,055.50/x
3. Step 3: Cross multiply
   36,685.50x = 54,055.50 × 54,055.50
4. Step 4: Simplify right side
   36,685.50x = 2,921,997,080.25
5. Step 5: Solve for x
   x = 2,921,997,080.25/36,685.50
6. Step 6: Final answer
   x = 79,649.92