Finding the Third Proportional to 28,616 and 61,648

Step by Step Solution

1. Step 1: Write the proportion equation
   28,616 : 61,648 = 61,648 : x
2. Step 2: Convert to fraction form
   28,616/61,648 = 61,648/x
3. Step 3: Cross multiply
   28,616x = 61,648 × 61,648
4. Step 4: Simplify right side
   28,616x = 3,800,475,904
5. Step 5: Solve for x
   x = 3,800,475,904/28,616
6. Step 6: Final answer
   x = 132,809.47