Finding the Third Proportional to 3,292,816 and 7,215,296

Step by Step Solution

1. Step 1: Write the proportion equation
   3,292,816 : 7,215,296 = 7,215,296 : x
2. Step 2: Convert to fraction form
   3,292,816/7,215,296 = 7,215,296/x
3. Step 3: Cross multiply
   3,292,816x = 7,215,296 × 7,215,296
4. Step 4: Simplify right side
   3,292,816x = 52,060,496,367,616
5. Step 5: Solve for x
   x = 52,060,496,367,616/3,292,816
6. Step 6: Final answer
   x = 15,810,326.59