Finding the Third Proportional to 3,708,999 and 7,816,518

Step by Step Solution

1. Step 1: Write the proportion equation
   3,708,999 : 7,816,518 = 7,816,518 : x
2. Step 2: Convert to fraction form
   3,708,999/7,816,518 = 7,816,518/x
3. Step 3: Cross multiply
   3,708,999x = 7,816,518 × 7,816,518
4. Step 4: Simplify right side
   3,708,999x = 61,097,953,644,324
5. Step 5: Solve for x
   x = 61,097,953,644,324/3,708,999
6. Step 6: Final answer
   x = 16,472,895.69