Finding the Third Proportional to 27,320 and 55,643

Step by Step Solution

1. Step 1: Write the proportion equation
   27,320 : 55,643 = 55,643 : x
2. Step 2: Convert to fraction form
   27,320/55,643 = 55,643/x
3. Step 3: Cross multiply
   27,320x = 55,643 × 55,643
4. Step 4: Simplify right side
   27,320x = 3,096,143,449
5. Step 5: Solve for x
   x = 3,096,143,449/27,320
6. Step 6: Final answer
   x = 113,328.82