Finding the Third Proportional to 123,703.50 and 275,739

Step by Step Solution

1. Step 1: Write the proportion equation
   123,703.50 : 275,739 = 275,739 : x
2. Step 2: Convert to fraction form
   123,703.50/275,739 = 275,739/x
3. Step 3: Cross multiply
   123,703.50x = 275,739 × 275,739
4. Step 4: Simplify right side
   123,703.50x = 76,031,996,121
5. Step 5: Solve for x
   x = 76,031,996,121/123,703.50
6. Step 6: Final answer
   x = 614,630.92