Finding the Third Proportional to 31,056 and 67,755

Step by Step Solution

1. Step 1: Write the proportion equation
   31,056 : 67,755 = 67,755 : x
2. Step 2: Convert to fraction form
   31,056/67,755 = 67,755/x
3. Step 3: Cross multiply
   31,056x = 67,755 × 67,755
4. Step 4: Simplify right side
   31,056x = 4,590,740,025
5. Step 5: Solve for x
   x = 4,590,740,025/31,056
6. Step 6: Final answer
   x = 147,821.36