Finding the Third Proportional to 6,413,676 and 13,358,064

Step by Step Solution

1. Step 1: Write the proportion equation
   6,413,676 : 13,358,064 = 13,358,064 : x
2. Step 2: Convert to fraction form
   6,413,676/13,358,064 = 13,358,064/x
3. Step 3: Cross multiply
   6,413,676x = 13,358,064 × 13,358,064
4. Step 4: Simplify right side
   6,413,676x = 178,437,873,828,096
5. Step 5: Solve for x
   x = 178,437,873,828,096/6,413,676
6. Step 6: Final answer
   x = 27,821,466.79