Finding the Third Proportional to 116,078 and 247,336

Step by Step Solution

1. Step 1: Write the proportion equation
   116,078 : 247,336 = 247,336 : x
2. Step 2: Convert to fraction form
   116,078/247,336 = 247,336/x
3. Step 3: Cross multiply
   116,078x = 247,336 × 247,336
4. Step 4: Simplify right side
   116,078x = 61,175,096,896
5. Step 5: Solve for x
   x = 61,175,096,896/116,078
6. Step 6: Final answer
   x = 527,017.15