Finding the Third Proportional to 1,200,479 and 1,831,206

Step by Step Solution

1. Step 1: Write the proportion equation
   1,200,479 : 1,831,206 = 1,831,206 : x
2. Step 2: Convert to fraction form
   1,200,479/1,831,206 = 1,831,206/x
3. Step 3: Cross multiply
   1,200,479x = 1,831,206 × 1,831,206
4. Step 4: Simplify right side
   1,200,479x = 3,353,315,414,436
5. Step 5: Solve for x
   x = 3,353,315,414,436/1,200,479
6. Step 6: Final answer
   x = 2,793,314.51