Finding the Third Proportional to 28,200 and 61,116

Step by Step Solution

1. Step 1: Write the proportion equation
   28,200 : 61,116 = 61,116 : x
2. Step 2: Convert to fraction form
   28,200/61,116 = 61,116/x
3. Step 3: Cross multiply
   28,200x = 61,116 × 61,116
4. Step 4: Simplify right side
   28,200x = 3,735,165,456
5. Step 5: Solve for x
   x = 3,735,165,456/28,200
6. Step 6: Final answer
   x = 132,452.68