Finding the Third Proportional to 31,047.75 and 67,497.75

Step by Step Solution

1. Step 1: Write the proportion equation
   31,047.75 : 67,497.75 = 67,497.75 : x
2. Step 2: Convert to fraction form
   31,047.75/67,497.75 = 67,497.75/x
3. Step 3: Cross multiply
   31,047.75x = 67,497.75 × 67,497.75
4. Step 4: Simplify right side
   31,047.75x = 4,555,946,255.06
5. Step 5: Solve for x
   x = 4,555,946,255.06/31,047.75
6. Step 6: Final answer
   x = 146,739.98