Finding the Third Proportional to 526,728 and 1,137,530

Step by Step Solution

1. Step 1: Write the proportion equation
   526,728 : 1,137,530 = 1,137,530 : x
2. Step 2: Convert to fraction form
   526,728/1,137,530 = 1,137,530/x
3. Step 3: Cross multiply
   526,728x = 1,137,530 × 1,137,530
4. Step 4: Simplify right side
   526,728x = 1,293,974,500,900
5. Step 5: Solve for x
   x = 1,293,974,500,900/526,728
6. Step 6: Final answer
   x = 2,456,627.52