Finding the Third Proportional to 3,906,156 and 8,557,056

Step by Step Solution

1. Step 1: Write the proportion equation
   3,906,156 : 8,557,056 = 8,557,056 : x
2. Step 2: Convert to fraction form
   3,906,156/8,557,056 = 8,557,056/x
3. Step 3: Cross multiply
   3,906,156x = 8,557,056 × 8,557,056
4. Step 4: Simplify right side
   3,906,156x = 73,223,207,387,136
5. Step 5: Solve for x
   x = 73,223,207,387,136/3,906,156
6. Step 6: Final answer
   x = 18,745,592.19