Finding the Third Proportional to 28,380 and 62,554

Step by Step Solution

1. Step 1: Write the proportion equation
   28,380 : 62,554 = 62,554 : x
2. Step 2: Convert to fraction form
   28,380/62,554 = 62,554/x
3. Step 3: Cross multiply
   28,380x = 62,554 × 62,554
4. Step 4: Simplify right side
   28,380x = 3,913,002,916
5. Step 5: Solve for x
   x = 3,913,002,916/28,380
6. Step 6: Final answer
   x = 137,878.89