Finding the Third Proportional to 6,410,700 and 9,166,686

Step by Step Solution

1. Step 1: Write the proportion equation
   6,410,700 : 9,166,686 = 9,166,686 : x
2. Step 2: Convert to fraction form
   6,410,700/9,166,686 = 9,166,686/x
3. Step 3: Cross multiply
   6,410,700x = 9,166,686 × 9,166,686
4. Step 4: Simplify right side
   6,410,700x = 84,028,132,222,596
5. Step 5: Solve for x
   x = 84,028,132,222,596/6,410,700
6. Step 6: Final answer
   x = 13,107,481.59