Finding the Third Proportional to 3,211,558 and 7,061,881

Step by Step Solution

1. Step 1: Write the proportion equation
   3,211,558 : 7,061,881 = 7,061,881 : x
2. Step 2: Convert to fraction form
   3,211,558/7,061,881 = 7,061,881/x
3. Step 3: Cross multiply
   3,211,558x = 7,061,881 × 7,061,881
4. Step 4: Simplify right side
   3,211,558x = 49,870,163,258,161
5. Step 5: Solve for x
   x = 49,870,163,258,161/3,211,558
6. Step 6: Final answer
   x = 15,528,339.60