Finding the Third Proportional to 61,078 and 132,600

Step by Step Solution

1. Step 1: Write the proportion equation
   61,078 : 132,600 = 132,600 : x
2. Step 2: Convert to fraction form
   61,078/132,600 = 132,600/x
3. Step 3: Cross multiply
   61,078x = 132,600 × 132,600
4. Step 4: Simplify right side
   61,078x = 17,582,760,000
5. Step 5: Solve for x
   x = 17,582,760,000/61,078
6. Step 6: Final answer
   x = 287,873.87