Finding the Third Proportional to 56,638.50 and 132,281.25

Step by Step Solution

1. Step 1: Write the proportion equation
   56,638.50 : 132,281.25 = 132,281.25 : x
2. Step 2: Convert to fraction form
   56,638.50/132,281.25 = 132,281.25/x
3. Step 3: Cross multiply
   56,638.50x = 132,281.25 × 132,281.25
4. Step 4: Simplify right side
   56,638.50x = 17,498,329,101.56
5. Step 5: Solve for x
   x = 17,498,329,101.56/56,638.50
6. Step 6: Final answer
   x = 308,947.61