Finding the Third Proportional to 261,237 and 572,300

Step by Step Solution

1. Step 1: Write the proportion equation
   261,237 : 572,300 = 572,300 : x
2. Step 2: Convert to fraction form
   261,237/572,300 = 572,300/x
3. Step 3: Cross multiply
   261,237x = 572,300 × 572,300
4. Step 4: Simplify right side
   261,237x = 327,527,290,000
5. Step 5: Solve for x
   x = 327,527,290,000/261,237
6. Step 6: Final answer
   x = 1,253,755.36