Finding the Third Proportional to 31,360.75 and 67,833.25

Step by Step Solution

1. Step 1: Write the proportion equation
   31,360.75 : 67,833.25 = 67,833.25 : x
2. Step 2: Convert to fraction form
   31,360.75/67,833.25 = 67,833.25/x
3. Step 3: Cross multiply
   31,360.75x = 67,833.25 × 67,833.25
4. Step 4: Simplify right side
   31,360.75x = 4,601,349,805.56
5. Step 5: Solve for x
   x = 4,601,349,805.56/31,360.75
6. Step 6: Final answer
   x = 146,723.21