Finding the Third Proportional to 543,636 and 1,157,256

Step by Step Solution

1. Step 1: Write the proportion equation
   543,636 : 1,157,256 = 1,157,256 : x
2. Step 2: Convert to fraction form
   543,636/1,157,256 = 1,157,256/x
3. Step 3: Cross multiply
   543,636x = 1,157,256 × 1,157,256
4. Step 4: Simplify right side
   543,636x = 1,339,241,449,536
5. Step 5: Solve for x
   x = 1,339,241,449,536/543,636
6. Step 6: Final answer
   x = 2,463,489.26