Finding the Third Proportional to 60,672 and 91,856

Step by Step Solution

1. Step 1: Write the proportion equation
   60,672 : 91,856 = 91,856 : x
2. Step 2: Convert to fraction form
   60,672/91,856 = 91,856/x
3. Step 3: Cross multiply
   60,672x = 91,856 × 91,856
4. Step 4: Simplify right side
   60,672x = 8,437,524,736
5. Step 5: Solve for x
   x = 8,437,524,736/60,672
6. Step 6: Final answer
   x = 139,067.85