Finding the Third Proportional to 61,609.50 and 132,420

Step by Step Solution

1. Step 1: Write the proportion equation
   61,609.50 : 132,420 = 132,420 : x
2. Step 2: Convert to fraction form
   61,609.50/132,420 = 132,420/x
3. Step 3: Cross multiply
   61,609.50x = 132,420 × 132,420
4. Step 4: Simplify right side
   61,609.50x = 17,535,056,400
5. Step 5: Solve for x
   x = 17,535,056,400/61,609.50
6. Step 6: Final answer
   x = 284,616.11