Finding the Third Proportional to 427,024 and 988,456

Step by Step Solution

1. Step 1: Write the proportion equation
   427,024 : 988,456 = 988,456 : x
2. Step 2: Convert to fraction form
   427,024/988,456 = 988,456/x
3. Step 3: Cross multiply
   427,024x = 988,456 × 988,456
4. Step 4: Simplify right side
   427,024x = 977,045,263,936
5. Step 5: Solve for x
   x = 977,045,263,936/427,024
6. Step 6: Final answer
   x = 2,288,033.61