Finding the Third Proportional to 609,408 and 1,424,160

Step by Step Solution

1. Step 1: Write the proportion equation
   609,408 : 1,424,160 = 1,424,160 : x
2. Step 2: Convert to fraction form
   609,408/1,424,160 = 1,424,160/x
3. Step 3: Cross multiply
   609,408x = 1,424,160 × 1,424,160
4. Step 4: Simplify right side
   609,408x = 2,028,231,705,600
5. Step 5: Solve for x
   x = 2,028,231,705,600/609,408
6. Step 6: Final answer
   x = 3,328,200