Finding the Third Proportional to 28,648 and 62,945

Step by Step Solution

1. Step 1: Write the proportion equation
   28,648 : 62,945 = 62,945 : x
2. Step 2: Convert to fraction form
   28,648/62,945 = 62,945/x
3. Step 3: Cross multiply
   28,648x = 62,945 × 62,945
4. Step 4: Simplify right side
   28,648x = 3,962,073,025
5. Step 5: Solve for x
   x = 3,962,073,025/28,648
6. Step 6: Final answer
   x = 138,301.91