Finding the Third Proportional to 28,530 and 63,616.50

Step by Step Solution

1. Step 1: Write the proportion equation
   28,530 : 63,616.50 = 63,616.50 : x
2. Step 2: Convert to fraction form
   28,530/63,616.50 = 63,616.50/x
3. Step 3: Cross multiply
   28,530x = 63,616.50 × 63,616.50
4. Step 4: Simplify right side
   28,530x = 4,047,059,072.25
5. Step 5: Solve for x
   x = 4,047,059,072.25/28,530
6. Step 6: Final answer
   x = 141,852.75