Finding the Third Proportional to 123,244 and 252,328.75

Step by Step Solution

1. Step 1: Write the proportion equation
   123,244 : 252,328.75 = 252,328.75 : x
2. Step 2: Convert to fraction form
   123,244/252,328.75 = 252,328.75/x
3. Step 3: Cross multiply
   123,244x = 252,328.75 × 252,328.75
4. Step 4: Simplify right side
   123,244x = 63,669,798,076.56
5. Step 5: Solve for x
   x = 63,669,798,076.56/123,244
6. Step 6: Final answer
   x = 516,615.80