Finding the Third Proportional to 30,910.50 and 43,665.75

Step by Step Solution

1. Step 1: Write the proportion equation
   30,910.50 : 43,665.75 = 43,665.75 : x
2. Step 2: Convert to fraction form
   30,910.50/43,665.75 = 43,665.75/x
3. Step 3: Cross multiply
   30,910.50x = 43,665.75 × 43,665.75
4. Step 4: Simplify right side
   30,910.50x = 1,906,697,723.06
5. Step 5: Solve for x
   x = 1,906,697,723.06/30,910.50
6. Step 6: Final answer
   x = 61,684.47