Finding the Third Proportional to 1,831,597 and 3,988,606

Step by Step Solution

1. Step 1: Write the proportion equation
   1,831,597 : 3,988,606 = 3,988,606 : x
2. Step 2: Convert to fraction form
   1,831,597/3,988,606 = 3,988,606/x
3. Step 3: Cross multiply
   1,831,597x = 3,988,606 × 3,988,606
4. Step 4: Simplify right side
   1,831,597x = 15,908,977,823,236
5. Step 5: Solve for x
   x = 15,908,977,823,236/1,831,597
6. Step 6: Final answer
   x = 8,685,850.56