Finding the Third Proportional to 3,211,542 and 7,061,859

Step by Step Solution

1. Step 1: Write the proportion equation
   3,211,542 : 7,061,859 = 7,061,859 : x
2. Step 2: Convert to fraction form
   3,211,542/7,061,859 = 7,061,859/x
3. Step 3: Cross multiply
   3,211,542x = 7,061,859 × 7,061,859
4. Step 4: Simplify right side
   3,211,542x = 49,869,852,535,881
5. Step 5: Solve for x
   x = 49,869,852,535,881/3,211,542
6. Step 6: Final answer
   x = 15,528,320.21