Finding the Third Proportional to 1,071,441 and 2,231,640

Step by Step Solution

1. Step 1: Write the proportion equation
   1,071,441 : 2,231,640 = 2,231,640 : x
2. Step 2: Convert to fraction form
   1,071,441/2,231,640 = 2,231,640/x
3. Step 3: Cross multiply
   1,071,441x = 2,231,640 × 2,231,640
4. Step 4: Simplify right side
   1,071,441x = 4,980,217,089,600
5. Step 5: Solve for x
   x = 4,980,217,089,600/1,071,441
6. Step 6: Final answer
   x = 4,648,148.70