Finding the Third Proportional to 1,200,474 and 1,831,200

Step by Step Solution

1. Step 1: Write the proportion equation
   1,200,474 : 1,831,200 = 1,831,200 : x
2. Step 2: Convert to fraction form
   1,200,474/1,831,200 = 1,831,200/x
3. Step 3: Cross multiply
   1,200,474x = 1,831,200 × 1,831,200
4. Step 4: Simplify right side
   1,200,474x = 3,353,293,440,000
5. Step 5: Solve for x
   x = 3,353,293,440,000/1,200,474
6. Step 6: Final answer
   x = 2,793,307.84