Finding the Third Proportional to 5,301,858 and 8,159,458

Step by Step Solution

1. Step 1: Write the proportion equation
   5,301,858 : 8,159,458 = 8,159,458 : x
2. Step 2: Convert to fraction form
   5,301,858/8,159,458 = 8,159,458/x
3. Step 3: Cross multiply
   5,301,858x = 8,159,458 × 8,159,458
4. Step 4: Simplify right side
   5,301,858x = 66,576,754,853,764
5. Step 5: Solve for x
   x = 66,576,754,853,764/5,301,858
6. Step 6: Final answer
   x = 12,557,249.71