Finding the Third Proportional to 264,918.50 and 579,012

Step by Step Solution

1. Step 1: Write the proportion equation
   264,918.50 : 579,012 = 579,012 : x
2. Step 2: Convert to fraction form
   264,918.50/579,012 = 579,012/x
3. Step 3: Cross multiply
   264,918.50x = 579,012 × 579,012
4. Step 4: Simplify right side
   264,918.50x = 335,254,896,144
5. Step 5: Solve for x
   x = 335,254,896,144/264,918.50
6. Step 6: Final answer
   x = 1,265,502.02