Finding the Third Proportional to 4,788.50 and 10,508.50

Step by Step Solution

1. Step 1: Write the proportion equation
   4,788.50 : 10,508.50 = 10,508.50 : x
2. Step 2: Convert to fraction form
   4,788.50/10,508.50 = 10,508.50/x
3. Step 3: Cross multiply
   4,788.50x = 10,508.50 × 10,508.50
4. Step 4: Simplify right side
   4,788.50x = 110,428,572.25
5. Step 5: Solve for x
   x = 110,428,572.25/4,788.50
6. Step 6: Final answer
   x = 23,061.20