Finding the Third Proportional to 261,145.50 and 571,494

Step by Step Solution

1. Step 1: Write the proportion equation
   261,145.50 : 571,494 = 571,494 : x
2. Step 2: Convert to fraction form
   261,145.50/571,494 = 571,494/x
3. Step 3: Cross multiply
   261,145.50x = 571,494 × 571,494
4. Step 4: Simplify right side
   261,145.50x = 326,605,392,036
5. Step 5: Solve for x
   x = 326,605,392,036/261,145.50
6. Step 6: Final answer
   x = 1,250,664.45