Finding the Third Proportional to 56,648 and 132,300

Step by Step Solution

1. Step 1: Write the proportion equation
   56,648 : 132,300 = 132,300 : x
2. Step 2: Convert to fraction form
   56,648/132,300 = 132,300/x
3. Step 3: Cross multiply
   56,648x = 132,300 × 132,300
4. Step 4: Simplify right side
   56,648x = 17,503,290,000
5. Step 5: Solve for x
   x = 17,503,290,000/56,648
6. Step 6: Final answer
   x = 308,983.37