Finding the Third Proportional to 917,775 and 1,968,408

Step by Step Solution

1. Step 1: Write the proportion equation
   917,775 : 1,968,408 = 1,968,408 : x
2. Step 2: Convert to fraction form
   917,775/1,968,408 = 1,968,408/x
3. Step 3: Cross multiply
   917,775x = 1,968,408 × 1,968,408
4. Step 4: Simplify right side
   917,775x = 3,874,630,054,464
5. Step 5: Solve for x
   x = 3,874,630,054,464/917,775
6. Step 6: Final answer
   x = 4,221,764.65