Finding the Third Proportional to 603,537 and 1,256,607

Step by Step Solution

1. Step 1: Write the proportion equation
   603,537 : 1,256,607 = 1,256,607 : x
2. Step 2: Convert to fraction form
   603,537/1,256,607 = 1,256,607/x
3. Step 3: Cross multiply
   603,537x = 1,256,607 × 1,256,607
4. Step 4: Simplify right side
   603,537x = 1,579,061,152,449
5. Step 5: Solve for x
   x = 1,579,061,152,449/603,537
6. Step 6: Final answer
   x = 2,616,345.23