Finding the Third Proportional to 56,886 and 132,900

Step by Step Solution

1. Step 1: Write the proportion equation
   56,886 : 132,900 = 132,900 : x
2. Step 2: Convert to fraction form
   56,886/132,900 = 132,900/x
3. Step 3: Cross multiply
   56,886x = 132,900 × 132,900
4. Step 4: Simplify right side
   56,886x = 17,662,410,000
5. Step 5: Solve for x
   x = 17,662,410,000/56,886
6. Step 6: Final answer
   x = 310,487.82