Finding the Third Proportional to 5,317,792 and 7,974,686

Step by Step Solution

1. Step 1: Write the proportion equation
   5,317,792 : 7,974,686 = 7,974,686 : x
2. Step 2: Convert to fraction form
   5,317,792/7,974,686 = 7,974,686/x
3. Step 3: Cross multiply
   5,317,792x = 7,974,686 × 7,974,686
4. Step 4: Simplify right side
   5,317,792x = 63,595,616,798,596
5. Step 5: Solve for x
   x = 63,595,616,798,596/5,317,792
6. Step 6: Final answer
   x = 11,959,026.75