Finding the Third Proportional to 31,283.25 and 68,793.75

Step by Step Solution

1. Step 1: Write the proportion equation
   31,283.25 : 68,793.75 = 68,793.75 : x
2. Step 2: Convert to fraction form
   31,283.25/68,793.75 = 68,793.75/x
3. Step 3: Cross multiply
   31,283.25x = 68,793.75 × 68,793.75
4. Step 4: Simplify right side
   31,283.25x = 4,732,580,039.06
5. Step 5: Solve for x
   x = 4,732,580,039.06/31,283.25
6. Step 6: Final answer
   x = 151,281.60