Finding the Third Proportional to 12,390.38 and 19,950.19

Step by Step Solution

1. Step 1: Write the proportion equation
   12,390.38 : 19,950.19 = 19,950.19 : x
2. Step 2: Convert to fraction form
   12,390.38/19,950.19 = 19,950.19/x
3. Step 3: Cross multiply
   12,390.38x = 19,950.19 × 19,950.19
4. Step 4: Simplify right side
   12,390.38x = 398,009,981.29
5. Step 5: Solve for x
   x = 398,009,981.29/12,390.38
6. Step 6: Final answer
   x = 32,122.51