Finding the Third Proportional to 123,234 and 252,307.50

Step by Step Solution

1. Step 1: Write the proportion equation
   123,234 : 252,307.50 = 252,307.50 : x
2. Step 2: Convert to fraction form
   123,234/252,307.50 = 252,307.50/x
3. Step 3: Cross multiply
   123,234x = 252,307.50 × 252,307.50
4. Step 4: Simplify right side
   123,234x = 63,659,074,556.25
5. Step 5: Solve for x
   x = 63,659,074,556.25/123,234
6. Step 6: Final answer
   x = 516,570.71