Finding the Third Proportional to 264,064.50 and 570,216

Step by Step Solution

1. Step 1: Write the proportion equation
   264,064.50 : 570,216 = 570,216 : x
2. Step 2: Convert to fraction form
   264,064.50/570,216 = 570,216/x
3. Step 3: Cross multiply
   264,064.50x = 570,216 × 570,216
4. Step 4: Simplify right side
   264,064.50x = 325,146,286,656
5. Step 5: Solve for x
   x = 325,146,286,656/264,064.50
6. Step 6: Final answer
   x = 1,231,313.89