Finding the Third Proportional to 2,112,648 and 3,122,380

Step by Step Solution

1. Step 1: Write the proportion equation
   2,112,648 : 3,122,380 = 3,122,380 : x
2. Step 2: Convert to fraction form
   2,112,648/3,122,380 = 3,122,380/x
3. Step 3: Cross multiply
   2,112,648x = 3,122,380 × 3,122,380
4. Step 4: Simplify right side
   2,112,648x = 9,749,256,864,400
5. Step 5: Solve for x
   x = 9,749,256,864,400/2,112,648
6. Step 6: Final answer
   x = 4,614,709.53