Finding the Third Proportional to 5,502,612 and 7,338,780

Step by Step Solution

1. Step 1: Write the proportion equation
   5,502,612 : 7,338,780 = 7,338,780 : x
2. Step 2: Convert to fraction form
   5,502,612/7,338,780 = 7,338,780/x
3. Step 3: Cross multiply
   5,502,612x = 7,338,780 × 7,338,780
4. Step 4: Simplify right side
   5,502,612x = 53,857,691,888,400
5. Step 5: Solve for x
   x = 53,857,691,888,400/5,502,612
6. Step 6: Final answer
   x = 9,787,659.37