Finding the Third Proportional to 4,620.38 and 10,115.50

Step by Step Solution

1. Step 1: Write the proportion equation
   4,620.38 : 10,115.50 = 10,115.50 : x
2. Step 2: Convert to fraction form
   4,620.38/10,115.50 = 10,115.50/x
3. Step 3: Cross multiply
   4,620.38x = 10,115.50 × 10,115.50
4. Step 4: Simplify right side
   4,620.38x = 102,323,340.25
5. Step 5: Solve for x
   x = 102,323,340.25/4,620.38
6. Step 6: Final answer
   x = 22,146.11