Finding the Third Proportional to 31,697.44 and 67,893.75

Step by Step Solution

1. Step 1: Write the proportion equation
   31,697.44 : 67,893.75 = 67,893.75 : x
2. Step 2: Convert to fraction form
   31,697.44/67,893.75 = 67,893.75/x
3. Step 3: Cross multiply
   31,697.44x = 67,893.75 × 67,893.75
4. Step 4: Simplify right side
   31,697.44x = 4,609,561,289.06
5. Step 5: Solve for x
   x = 4,609,561,289.06/31,697.44
6. Step 6: Final answer
   x = 145,423.78