Finding the Third Proportional to 8,443,448 and 13,090,980

Step by Step Solution

1. Step 1: Write the proportion equation
   8,443,448 : 13,090,980 = 13,090,980 : x
2. Step 2: Convert to fraction form
   8,443,448/13,090,980 = 13,090,980/x
3. Step 3: Cross multiply
   8,443,448x = 13,090,980 × 13,090,980
4. Step 4: Simplify right side
   8,443,448x = 171,373,757,360,400
5. Step 5: Solve for x
   x = 171,373,757,360,400/8,443,448
6. Step 6: Final answer
   x = 20,296,655.75