Finding the Third Proportional to 55,649.53 and 123,757.88

Step by Step Solution

1. Step 1: Write the proportion equation
   55,649.53 : 123,757.88 = 123,757.88 : x
2. Step 2: Convert to fraction form
   55,649.53/123,757.88 = 123,757.88/x
3. Step 3: Cross multiply
   55,649.53x = 123,757.88 × 123,757.88
4. Step 4: Simplify right side
   55,649.53x = 15,316,011,624.52
5. Step 5: Solve for x
   x = 15,316,011,624.52/55,649.53
6. Step 6: Final answer
   x = 275,222.65