Finding the Third Proportional to 12,679.03 and 22,419.28

Step by Step Solution

1. Step 1: Write the proportion equation
   12,679.03 : 22,419.28 = 22,419.28 : x
2. Step 2: Convert to fraction form
   12,679.03/22,419.28 = 22,419.28/x
3. Step 3: Cross multiply
   12,679.03x = 22,419.28 × 22,419.28
4. Step 4: Simplify right side
   12,679.03x = 502,624,171.77
5. Step 5: Solve for x
   x = 502,624,171.77/12,679.03
6. Step 6: Final answer
   x = 39,642.16