Finding the Third Proportional to 988,256 and 2,154,944

Step by Step Solution

1. Step 1: Write the proportion equation
   988,256 : 2,154,944 = 2,154,944 : x
2. Step 2: Convert to fraction form
   988,256/2,154,944 = 2,154,944/x
3. Step 3: Cross multiply
   988,256x = 2,154,944 × 2,154,944
4. Step 4: Simplify right side
   988,256x = 4,643,783,643,136
5. Step 5: Solve for x
   x = 4,643,783,643,136/988,256
6. Step 6: Final answer
   x = 4,698,968.33