Finding the Third Proportional to 10,449 and 21,301.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,449 : 21,301.50 = 21,301.50 : x
2. Step 2: Convert to fraction form
   10,449/21,301.50 = 21,301.50/x
3. Step 3: Cross multiply
   10,449x = 21,301.50 × 21,301.50
4. Step 4: Simplify right side
   10,449x = 453,753,902.25
5. Step 5: Solve for x
   x = 453,753,902.25/10,449
6. Step 6: Final answer
   x = 43,425.58