Finding the Third Proportional to 61,410 and 132,216

Step by Step Solution

1. Step 1: Write the proportion equation
   61,410 : 132,216 = 132,216 : x
2. Step 2: Convert to fraction form
   61,410/132,216 = 132,216/x
3. Step 3: Cross multiply
   61,410x = 132,216 × 132,216
4. Step 4: Simplify right side
   61,410x = 17,481,070,656
5. Step 5: Solve for x
   x = 17,481,070,656/61,410
6. Step 6: Final answer
   x = 284,661.63