Finding the Third Proportional to 20,449 and 28,998.50

Step by Step Solution

1. Step 1: Write the proportion equation
   20,449 : 28,998.50 = 28,998.50 : x
2. Step 2: Convert to fraction form
   20,449/28,998.50 = 28,998.50/x
3. Step 3: Cross multiply
   20,449x = 28,998.50 × 28,998.50
4. Step 4: Simplify right side
   20,449x = 840,913,002.25
5. Step 5: Solve for x
   x = 840,913,002.25/20,449
6. Step 6: Final answer
   x = 41,122.45