Finding the Third Proportional to 257,728.50 and 566,271

Step by Step Solution

1. Step 1: Write the proportion equation
   257,728.50 : 566,271 = 566,271 : x
2. Step 2: Convert to fraction form
   257,728.50/566,271 = 566,271/x
3. Step 3: Cross multiply
   257,728.50x = 566,271 × 566,271
4. Step 4: Simplify right side
   257,728.50x = 320,662,845,441
5. Step 5: Solve for x
   x = 320,662,845,441/257,728.50
6. Step 6: Final answer
   x = 1,244,188.54