Finding the Third Proportional to 12,490.88 and 18,950.63

Step by Step Solution

1. Step 1: Write the proportion equation
   12,490.88 : 18,950.63 = 18,950.63 : x
2. Step 2: Convert to fraction form
   12,490.88/18,950.63 = 18,950.63/x
3. Step 3: Cross multiply
   12,490.88x = 18,950.63 × 18,950.63
4. Step 4: Simplify right side
   12,490.88x = 359,126,187.89
5. Step 5: Solve for x
   x = 359,126,187.89/12,490.88
6. Step 6: Final answer
   x = 28,751.08