Finding the Third Proportional to 31,893.75 and 74,494.69

Step by Step Solution

1. Step 1: Write the proportion equation
   31,893.75 : 74,494.69 = 74,494.69 : x
2. Step 2: Convert to fraction form
   31,893.75/74,494.69 = 74,494.69/x
3. Step 3: Cross multiply
   31,893.75x = 74,494.69 × 74,494.69
4. Step 4: Simplify right side
   31,893.75x = 5,549,458,465.72
5. Step 5: Solve for x
   x = 5,549,458,465.72/31,893.75
6. Step 6: Final answer
   x = 173,998.31