Finding the Third Proportional to 28,320 and 43,938

Step by Step Solution

1. Step 1: Write the proportion equation
   28,320 : 43,938 = 43,938 : x
2. Step 2: Convert to fraction form
   28,320/43,938 = 43,938/x
3. Step 3: Cross multiply
   28,320x = 43,938 × 43,938
4. Step 4: Simplify right side
   28,320x = 1,930,547,844
5. Step 5: Solve for x
   x = 1,930,547,844/28,320
6. Step 6: Final answer
   x = 68,169.06