Finding the Third Proportional to 1,831,087 and 3,977,407

Step by Step Solution

1. Step 1: Write the proportion equation
   1,831,087 : 3,977,407 = 3,977,407 : x
2. Step 2: Convert to fraction form
   1,831,087/3,977,407 = 3,977,407/x
3. Step 3: Cross multiply
   1,831,087x = 3,977,407 × 3,977,407
4. Step 4: Simplify right side
   1,831,087x = 15,819,766,443,649
5. Step 5: Solve for x
   x = 15,819,766,443,649/1,831,087
6. Step 6: Final answer
   x = 8,639,549.32