Finding the Third Proportional to 38,240 and 55,074.50

Step by Step Solution

1. Step 1: Write the proportion equation
   38,240 : 55,074.50 = 55,074.50 : x
2. Step 2: Convert to fraction form
   38,240/55,074.50 = 55,074.50/x
3. Step 3: Cross multiply
   38,240x = 55,074.50 × 55,074.50
4. Step 4: Simplify right side
   38,240x = 3,033,200,550.25
5. Step 5: Solve for x
   x = 3,033,200,550.25/38,240
6. Step 6: Final answer
   x = 79,320.10