Finding the Third Proportional to 6,413,665 and 13,358,042

Step by Step Solution

1. Step 1: Write the proportion equation
   6,413,665 : 13,358,042 = 13,358,042 : x
2. Step 2: Convert to fraction form
   6,413,665/13,358,042 = 13,358,042/x
3. Step 3: Cross multiply
   6,413,665x = 13,358,042 × 13,358,042
4. Step 4: Simplify right side
   6,413,665x = 178,437,286,073,764
5. Step 5: Solve for x
   x = 178,437,286,073,764/6,413,665
6. Step 6: Final answer
   x = 27,821,422.86