Finding the Third Proportional to 3,573,900 and 7,707,636

Step by Step Solution

1. Step 1: Write the proportion equation
   3,573,900 : 7,707,636 = 7,707,636 : x
2. Step 2: Convert to fraction form
   3,573,900/7,707,636 = 7,707,636/x
3. Step 3: Cross multiply
   3,573,900x = 7,707,636 × 7,707,636
4. Step 4: Simplify right side
   3,573,900x = 59,407,652,708,496
5. Step 5: Solve for x
   x = 59,407,652,708,496/3,573,900
6. Step 6: Final answer
   x = 16,622,639.89