Finding the Third Proportional to 56,876 and 132,870

Step by Step Solution

1. Step 1: Write the proportion equation
   56,876 : 132,870 = 132,870 : x
2. Step 2: Convert to fraction form
   56,876/132,870 = 132,870/x
3. Step 3: Cross multiply
   56,876x = 132,870 × 132,870
4. Step 4: Simplify right side
   56,876x = 17,654,436,900
5. Step 5: Solve for x
   x = 17,654,436,900/56,876
6. Step 6: Final answer
   x = 310,402.22