Finding the Third Proportional to 1,831,604 and 3,988,622

Step by Step Solution

1. Step 1: Write the proportion equation
   1,831,604 : 3,988,622 = 3,988,622 : x
2. Step 2: Convert to fraction form
   1,831,604/3,988,622 = 3,988,622/x
3. Step 3: Cross multiply
   1,831,604x = 3,988,622 × 3,988,622
4. Step 4: Simplify right side
   1,831,604x = 15,909,105,458,884
5. Step 5: Solve for x
   x = 15,909,105,458,884/1,831,604
6. Step 6: Final answer
   x = 8,685,887.05