Finding the Third Proportional to 510,878 and 1,110,188

Step by Step Solution

1. Step 1: Write the proportion equation
   510,878 : 1,110,188 = 1,110,188 : x
2. Step 2: Convert to fraction form
   510,878/1,110,188 = 1,110,188/x
3. Step 3: Cross multiply
   510,878x = 1,110,188 × 1,110,188
4. Step 4: Simplify right side
   510,878x = 1,232,517,395,344
5. Step 5: Solve for x
   x = 1,232,517,395,344/510,878
6. Step 6: Final answer
   x = 2,412,547.41