Finding the Third Proportional to 1,471,918 and 3,118,638

Step by Step Solution

1. Step 1: Write the proportion equation
   1,471,918 : 3,118,638 = 3,118,638 : x
2. Step 2: Convert to fraction form
   1,471,918/3,118,638 = 3,118,638/x
3. Step 3: Cross multiply
   1,471,918x = 3,118,638 × 3,118,638
4. Step 4: Simplify right side
   1,471,918x = 9,725,902,975,044
5. Step 5: Solve for x
   x = 9,725,902,975,044/1,471,918
6. Step 6: Final answer
   x = 6,607,639.13