Finding the Third Proportional to 2,157,845 and 4,722,056

Step by Step Solution

1. Step 1: Write the proportion equation
   2,157,845 : 4,722,056 = 4,722,056 : x
2. Step 2: Convert to fraction form
   2,157,845/4,722,056 = 4,722,056/x
3. Step 3: Cross multiply
   2,157,845x = 4,722,056 × 4,722,056
4. Step 4: Simplify right side
   2,157,845x = 22,297,812,867,136
5. Step 5: Solve for x
   x = 22,297,812,867,136/2,157,845
6. Step 6: Final answer
   x = 10,333,370.96