Finding the Third Proportional to 60,870 and 132,009

Step by Step Solution

1. Step 1: Write the proportion equation
   60,870 : 132,009 = 132,009 : x
2. Step 2: Convert to fraction form
   60,870/132,009 = 132,009/x
3. Step 3: Cross multiply
   60,870x = 132,009 × 132,009
4. Step 4: Simplify right side
   60,870x = 17,426,376,081
5. Step 5: Solve for x
   x = 17,426,376,081/60,870
6. Step 6: Final answer
   x = 286,288.42