Finding the Third Proportional to 4,011,776 and 8,355,328

Step by Step Solution

1. Step 1: Write the proportion equation
   4,011,776 : 8,355,328 = 8,355,328 : x
2. Step 2: Convert to fraction form
   4,011,776/8,355,328 = 8,355,328/x
3. Step 3: Cross multiply
   4,011,776x = 8,355,328 × 8,355,328
4. Step 4: Simplify right side
   4,011,776x = 69,811,505,987,584
5. Step 5: Solve for x
   x = 69,811,505,987,584/4,011,776
6. Step 6: Final answer
   x = 17,401,646.05