Finding the Third Proportional to 5,607,496 and 8,401,880

Step by Step Solution

1. Step 1: Write the proportion equation
   5,607,496 : 8,401,880 = 8,401,880 : x
2. Step 2: Convert to fraction form
   5,607,496/8,401,880 = 8,401,880/x
3. Step 3: Cross multiply
   5,607,496x = 8,401,880 × 8,401,880
4. Step 4: Simplify right side
   5,607,496x = 70,591,587,534,400
5. Step 5: Solve for x
   x = 70,591,587,534,400/5,607,496
6. Step 6: Final answer
   x = 12,588,789.64