Finding the Third Proportional to 10,162.13 and 20,972.25

Step by Step Solution

1. Step 1: Write the proportion equation
   10,162.13 : 20,972.25 = 20,972.25 : x
2. Step 2: Convert to fraction form
   10,162.13/20,972.25 = 20,972.25/x
3. Step 3: Cross multiply
   10,162.13x = 20,972.25 × 20,972.25
4. Step 4: Simplify right side
   10,162.13x = 439,835,270.06
5. Step 5: Solve for x
   x = 439,835,270.06/10,162.13
6. Step 6: Final answer
   x = 43,281.82