Finding the Third Proportional to 6,413,672 and 13,358,056

Step by Step Solution

1. Step 1: Write the proportion equation
   6,413,672 : 13,358,056 = 13,358,056 : x
2. Step 2: Convert to fraction form
   6,413,672/13,358,056 = 13,358,056/x
3. Step 3: Cross multiply
   6,413,672x = 13,358,056 × 13,358,056
4. Step 4: Simplify right side
   6,413,672x = 178,437,660,099,136
5. Step 5: Solve for x
   x = 178,437,660,099,136/6,413,672
6. Step 6: Final answer
   x = 27,821,450.82