Finding the Third Proportional to 60,768 and 80,928

Step by Step Solution

1. Step 1: Write the proportion equation
   60,768 : 80,928 = 80,928 : x
2. Step 2: Convert to fraction form
   60,768/80,928 = 80,928/x
3. Step 3: Cross multiply
   60,768x = 80,928 × 80,928
4. Step 4: Simplify right side
   60,768x = 6,549,341,184
5. Step 5: Solve for x
   x = 6,549,341,184/60,768
6. Step 6: Final answer
   x = 107,776.15