Finding the Third Proportional to 2,122,380 and 3,291,188

Step by Step Solution

1. Step 1: Write the proportion equation
   2,122,380 : 3,291,188 = 3,291,188 : x
2. Step 2: Convert to fraction form
   2,122,380/3,291,188 = 3,291,188/x
3. Step 3: Cross multiply
   2,122,380x = 3,291,188 × 3,291,188
4. Step 4: Simplify right side
   2,122,380x = 10,831,918,451,344
5. Step 5: Solve for x
   x = 10,831,918,451,344/2,122,380
6. Step 6: Final answer
   x = 5,103,665.91