Finding the Third Proportional to 61,245 and 132,210

Step by Step Solution

1. Step 1: Write the proportion equation
   61,245 : 132,210 = 132,210 : x
2. Step 2: Convert to fraction form
   61,245/132,210 = 132,210/x
3. Step 3: Cross multiply
   61,245x = 132,210 × 132,210
4. Step 4: Simplify right side
   61,245x = 17,479,484,100
5. Step 5: Solve for x
   x = 17,479,484,100/61,245
6. Step 6: Final answer
   x = 285,402.63