Finding the Third Proportional to 1,373,328 and 2,122,272

Step by Step Solution

1. Step 1: Write the proportion equation
   1,373,328 : 2,122,272 = 2,122,272 : x
2. Step 2: Convert to fraction form
   1,373,328/2,122,272 = 2,122,272/x
3. Step 3: Cross multiply
   1,373,328x = 2,122,272 × 2,122,272
4. Step 4: Simplify right side
   1,373,328x = 4,504,038,441,984
5. Step 5: Solve for x
   x = 4,504,038,441,984/1,373,328
6. Step 6: Final answer
   x = 3,279,652.38