Finding the Third Proportional to 28,940.63 and 62,616.38

Step by Step Solution

1. Step 1: Write the proportion equation
   28,940.63 : 62,616.38 = 62,616.38 : x
2. Step 2: Convert to fraction form
   28,940.63/62,616.38 = 62,616.38/x
3. Step 3: Cross multiply
   28,940.63x = 62,616.38 × 62,616.38
4. Step 4: Simplify right side
   28,940.63x = 3,920,810,418.14
5. Step 5: Solve for x
   x = 3,920,810,418.14/28,940.63
6. Step 6: Final answer
   x = 135,477.74