Finding the Third Proportional to 522,291 and 1,142,988

Step by Step Solution

1. Step 1: Write the proportion equation
   522,291 : 1,142,988 = 1,142,988 : x
2. Step 2: Convert to fraction form
   522,291/1,142,988 = 1,142,988/x
3. Step 3: Cross multiply
   522,291x = 1,142,988 × 1,142,988
4. Step 4: Simplify right side
   522,291x = 1,306,421,568,144
5. Step 5: Solve for x
   x = 1,306,421,568,144/522,291
6. Step 6: Final answer
   x = 2,501,328.89