Finding the Third Proportional to 31,081.50 and 67,077

Step by Step Solution

1. Step 1: Write the proportion equation
   31,081.50 : 67,077 = 67,077 : x
2. Step 2: Convert to fraction form
   31,081.50/67,077 = 67,077/x
3. Step 3: Cross multiply
   31,081.50x = 67,077 × 67,077
4. Step 4: Simplify right side
   31,081.50x = 4,499,323,929
5. Step 5: Solve for x
   x = 4,499,323,929/31,081.50
6. Step 6: Final answer
   x = 144,758.91