Finding the Third Proportional to 21,766.50 and 34,899.75

Step by Step Solution

1. Step 1: Write the proportion equation
   21,766.50 : 34,899.75 = 34,899.75 : x
2. Step 2: Convert to fraction form
   21,766.50/34,899.75 = 34,899.75/x
3. Step 3: Cross multiply
   21,766.50x = 34,899.75 × 34,899.75
4. Step 4: Simplify right side
   21,766.50x = 1,217,992,550.06
5. Step 5: Solve for x
   x = 1,217,992,550.06/21,766.50
6. Step 6: Final answer
   x = 55,957.21