Finding the Third Proportional to 3,669,880 and 5,396,658

Step by Step Solution

1. Step 1: Write the proportion equation
   3,669,880 : 5,396,658 = 5,396,658 : x
2. Step 2: Convert to fraction form
   3,669,880/5,396,658 = 5,396,658/x
3. Step 3: Cross multiply
   3,669,880x = 5,396,658 × 5,396,658
4. Step 4: Simplify right side
   3,669,880x = 29,123,917,568,964
5. Step 5: Solve for x
   x = 29,123,917,568,964/3,669,880
6. Step 6: Final answer
   x = 7,935,931.85