Finding the Third Proportional to 12,320 and 27,928

Step by Step Solution

1. Step 1: Write the proportion equation
   12,320 : 27,928 = 27,928 : x
2. Step 2: Convert to fraction form
   12,320/27,928 = 27,928/x
3. Step 3: Cross multiply
   12,320x = 27,928 × 27,928
4. Step 4: Simplify right side
   12,320x = 779,973,184
5. Step 5: Solve for x
   x = 779,973,184/12,320
6. Step 6: Final answer
   x = 63,309.51