Finding the Third Proportional to 264,814.50 and 579,144

Step by Step Solution

1. Step 1: Write the proportion equation
   264,814.50 : 579,144 = 579,144 : x
2. Step 2: Convert to fraction form
   264,814.50/579,144 = 579,144/x
3. Step 3: Cross multiply
   264,814.50x = 579,144 × 579,144
4. Step 4: Simplify right side
   264,814.50x = 335,407,772,736
5. Step 5: Solve for x
   x = 335,407,772,736/264,814.50
6. Step 6: Final answer
   x = 1,266,576.31