Finding the Third Proportional to 1,442,415 and 2,242,328

Step by Step Solution

1. Step 1: Write the proportion equation
   1,442,415 : 2,242,328 = 2,242,328 : x
2. Step 2: Convert to fraction form
   1,442,415/2,242,328 = 2,242,328/x
3. Step 3: Cross multiply
   1,442,415x = 2,242,328 × 2,242,328
4. Step 4: Simplify right side
   1,442,415x = 5,028,034,859,584
5. Step 5: Solve for x
   x = 5,028,034,859,584/1,442,415
6. Step 6: Final answer
   x = 3,485,844.82