Finding the Third Proportional to 917,814 and 1,968,480

Step by Step Solution

1. Step 1: Write the proportion equation
   917,814 : 1,968,480 = 1,968,480 : x
2. Step 2: Convert to fraction form
   917,814/1,968,480 = 1,968,480/x
3. Step 3: Cross multiply
   917,814x = 1,968,480 × 1,968,480
4. Step 4: Simplify right side
   917,814x = 3,874,913,510,400
5. Step 5: Solve for x
   x = 3,874,913,510,400/917,814
6. Step 6: Final answer
   x = 4,221,894.10