Finding the Third Proportional to 3,449,536 and 7,256,540

Step by Step Solution

1. Step 1: Write the proportion equation
   3,449,536 : 7,256,540 = 7,256,540 : x
2. Step 2: Convert to fraction form
   3,449,536/7,256,540 = 7,256,540/x
3. Step 3: Cross multiply
   3,449,536x = 7,256,540 × 7,256,540
4. Step 4: Simplify right side
   3,449,536x = 52,657,372,771,600
5. Step 5: Solve for x
   x = 52,657,372,771,600/3,449,536
6. Step 6: Final answer
   x = 15,265,059.64