Finding the Third Proportional to 12,190.50 and 23,115.38

Step by Step Solution

1. Step 1: Write the proportion equation
   12,190.50 : 23,115.38 = 23,115.38 : x
2. Step 2: Convert to fraction form
   12,190.50/23,115.38 = 23,115.38/x
3. Step 3: Cross multiply
   12,190.50x = 23,115.38 × 23,115.38
4. Step 4: Simplify right side
   12,190.50x = 534,320,561.39
5. Step 5: Solve for x
   x = 534,320,561.39/12,190.50
6. Step 6: Final answer
   x = 43,830.90