Finding the Third Proportional to 1,200,488 and 1,831,226

Step by Step Solution

1. Step 1: Write the proportion equation
   1,200,488 : 1,831,226 = 1,831,226 : x
2. Step 2: Convert to fraction form
   1,200,488/1,831,226 = 1,831,226/x
3. Step 3: Cross multiply
   1,200,488x = 1,831,226 × 1,831,226
4. Step 4: Simplify right side
   1,200,488x = 3,353,388,663,076
5. Step 5: Solve for x
   x = 3,353,388,663,076/1,200,488
6. Step 6: Final answer
   x = 2,793,354.59