Finding the Third Proportional to 21,742.13 and 31,008.38

Step by Step Solution

1. Step 1: Write the proportion equation
   21,742.13 : 31,008.38 = 31,008.38 : x
2. Step 2: Convert to fraction form
   21,742.13/31,008.38 = 31,008.38/x
3. Step 3: Cross multiply
   21,742.13x = 31,008.38 × 31,008.38
4. Step 4: Simplify right side
   21,742.13x = 961,519,320.14
5. Step 5: Solve for x
   x = 961,519,320.14/21,742.13
6. Step 6: Final answer
   x = 44,223.80