Finding the Third Proportional to 36,439.50 and 53,350.50

Step by Step Solution

1. Step 1: Write the proportion equation
   36,439.50 : 53,350.50 = 53,350.50 : x
2. Step 2: Convert to fraction form
   36,439.50/53,350.50 = 53,350.50/x
3. Step 3: Cross multiply
   36,439.50x = 53,350.50 × 53,350.50
4. Step 4: Simplify right side
   36,439.50x = 2,846,275,850.25
5. Step 5: Solve for x
   x = 2,846,275,850.25/36,439.50
6. Step 6: Final answer
   x = 78,109.63