Finding the Third Proportional to 6,309,821 and 13,725,189

Step by Step Solution

1. Step 1: Write the proportion equation
   6,309,821 : 13,725,189 = 13,725,189 : x
2. Step 2: Convert to fraction form
   6,309,821/13,725,189 = 13,725,189/x
3. Step 3: Cross multiply
   6,309,821x = 13,725,189 × 13,725,189
4. Step 4: Simplify right side
   6,309,821x = 188,380,813,085,721
5. Step 5: Solve for x
   x = 188,380,813,085,721/6,309,821
6. Step 6: Final answer
   x = 29,855,175.46