Finding the Third Proportional to 5,258,404 and 7,866,596

Step by Step Solution

1. Step 1: Write the proportion equation
   5,258,404 : 7,866,596 = 7,866,596 : x
2. Step 2: Convert to fraction form
   5,258,404/7,866,596 = 7,866,596/x
3. Step 3: Cross multiply
   5,258,404x = 7,866,596 × 7,866,596
4. Step 4: Simplify right side
   5,258,404x = 61,883,332,627,216
5. Step 5: Solve for x
   x = 61,883,332,627,216/5,258,404
6. Step 6: Final answer
   x = 11,768,462.95