Finding the Third Proportional to 22,120 and 30,940

Step by Step Solution

1. Step 1: Write the proportion equation
   22,120 : 30,940 = 30,940 : x
2. Step 2: Convert to fraction form
   22,120/30,940 = 30,940/x
3. Step 3: Cross multiply
   22,120x = 30,940 × 30,940
4. Step 4: Simplify right side
   22,120x = 957,283,600
5. Step 5: Solve for x
   x = 957,283,600/22,120
6. Step 6: Final answer
   x = 43,276.84