Finding the Third Proportional to 5,530,018 and 8,463,426

Step by Step Solution

1. Step 1: Write the proportion equation
   5,530,018 : 8,463,426 = 8,463,426 : x
2. Step 2: Convert to fraction form
   5,530,018/8,463,426 = 8,463,426/x
3. Step 3: Cross multiply
   5,530,018x = 8,463,426 × 8,463,426
4. Step 4: Simplify right side
   5,530,018x = 71,629,579,657,476
5. Step 5: Solve for x
   x = 71,629,579,657,476/5,530,018
6. Step 6: Final answer
   x = 12,952,865.55