Finding the Third Proportional to 3,639,804 and 5,709,258

Step by Step Solution

1. Step 1: Write the proportion equation
   3,639,804 : 5,709,258 = 5,709,258 : x
2. Step 2: Convert to fraction form
   3,639,804/5,709,258 = 5,709,258/x
3. Step 3: Cross multiply
   3,639,804x = 5,709,258 × 5,709,258
4. Step 4: Simplify right side
   3,639,804x = 32,595,626,910,564
5. Step 5: Solve for x
   x = 32,595,626,910,564/3,639,804
6. Step 6: Final answer
   x = 8,955,324.77