Finding the Third Proportional to 55,635.50 and 123,710

Step by Step Solution

1. Step 1: Write the proportion equation
   55,635.50 : 123,710 = 123,710 : x
2. Step 2: Convert to fraction form
   55,635.50/123,710 = 123,710/x
3. Step 3: Cross multiply
   55,635.50x = 123,710 × 123,710
4. Step 4: Simplify right side
   55,635.50x = 15,304,164,100
5. Step 5: Solve for x
   x = 15,304,164,100/55,635.50
6. Step 6: Final answer
   x = 275,079.11