Finding the Third Proportional to 262,613 and 572,754.50

Step by Step Solution

1. Step 1: Write the proportion equation
   262,613 : 572,754.50 = 572,754.50 : x
2. Step 2: Convert to fraction form
   262,613/572,754.50 = 572,754.50/x
3. Step 3: Cross multiply
   262,613x = 572,754.50 × 572,754.50
4. Step 4: Simplify right side
   262,613x = 328,047,717,270.25
5. Step 5: Solve for x
   x = 328,047,717,270.25/262,613
6. Step 6: Final answer
   x = 1,249,167.85