Finding the Third Proportional to 3,685,440 and 5,685,612

Step by Step Solution

1. Step 1: Write the proportion equation
   3,685,440 : 5,685,612 = 5,685,612 : x
2. Step 2: Convert to fraction form
   3,685,440/5,685,612 = 5,685,612/x
3. Step 3: Cross multiply
   3,685,440x = 5,685,612 × 5,685,612
4. Step 4: Simplify right side
   3,685,440x = 32,326,183,814,544
5. Step 5: Solve for x
   x = 32,326,183,814,544/3,685,440
6. Step 6: Final answer
   x = 8,771,322.78