Finding the Third Proportional to 60,672 and 91,855

Step by Step Solution

1. Step 1: Write the proportion equation
   60,672 : 91,855 = 91,855 : x
2. Step 2: Convert to fraction form
   60,672/91,855 = 91,855/x
3. Step 3: Cross multiply
   60,672x = 91,855 × 91,855
4. Step 4: Simplify right side
   60,672x = 8,437,341,025
5. Step 5: Solve for x
   x = 8,437,341,025/60,672
6. Step 6: Final answer
   x = 139,064.82