Finding the Third Proportional to 3,259,364 and 7,669,818

Step by Step Solution

1. Step 1: Write the proportion equation
   3,259,364 : 7,669,818 = 7,669,818 : x
2. Step 2: Convert to fraction form
   3,259,364/7,669,818 = 7,669,818/x
3. Step 3: Cross multiply
   3,259,364x = 7,669,818 × 7,669,818
4. Step 4: Simplify right side
   3,259,364x = 58,826,108,153,124
5. Step 5: Solve for x
   x = 58,826,108,153,124/3,259,364
6. Step 6: Final answer
   x = 18,048,339.54