Finding the Third Proportional to 31,156.75 and 67,952.75

Step by Step Solution

1. Step 1: Write the proportion equation
   31,156.75 : 67,952.75 = 67,952.75 : x
2. Step 2: Convert to fraction form
   31,156.75/67,952.75 = 67,952.75/x
3. Step 3: Cross multiply
   31,156.75x = 67,952.75 × 67,952.75
4. Step 4: Simplify right side
   31,156.75x = 4,617,576,232.56
5. Step 5: Solve for x
   x = 4,617,576,232.56/31,156.75
6. Step 6: Final answer
   x = 148,204.68