Finding the Third Proportional to 5,302,105 and 8,409,147

Step by Step Solution

1. Step 1: Write the proportion equation
   5,302,105 : 8,409,147 = 8,409,147 : x
2. Step 2: Convert to fraction form
   5,302,105/8,409,147 = 8,409,147/x
3. Step 3: Cross multiply
   5,302,105x = 8,409,147 × 8,409,147
4. Step 4: Simplify right side
   5,302,105x = 70,713,753,267,609
5. Step 5: Solve for x
   x = 70,713,753,267,609/5,302,105
6. Step 6: Final answer
   x = 13,336,920.58