Finding the Third Proportional to 948,240 and 2,238,408

Step by Step Solution

1. Step 1: Write the proportion equation
   948,240 : 2,238,408 = 2,238,408 : x
2. Step 2: Convert to fraction form
   948,240/2,238,408 = 2,238,408/x
3. Step 3: Cross multiply
   948,240x = 2,238,408 × 2,238,408
4. Step 4: Simplify right side
   948,240x = 5,010,470,374,464
5. Step 5: Solve for x
   x = 5,010,470,374,464/948,240
6. Step 6: Final answer
   x = 5,283,968.59