Finding the Third Proportional to 8,443,446 and 13,090,977

Step by Step Solution

1. Step 1: Write the proportion equation
   8,443,446 : 13,090,977 = 13,090,977 : x
2. Step 2: Convert to fraction form
   8,443,446/13,090,977 = 13,090,977/x
3. Step 3: Cross multiply
   8,443,446x = 13,090,977 × 13,090,977
4. Step 4: Simplify right side
   8,443,446x = 171,373,678,814,529
5. Step 5: Solve for x
   x = 171,373,678,814,529/8,443,446
6. Step 6: Final answer
   x = 20,296,651.25