Finding the Third Proportional to 116,869 and 254,242

Step by Step Solution

1. Step 1: Write the proportion equation
   116,869 : 254,242 = 254,242 : x
2. Step 2: Convert to fraction form
   116,869/254,242 = 254,242/x
3. Step 3: Cross multiply
   116,869x = 254,242 × 254,242
4. Step 4: Simplify right side
   116,869x = 64,638,994,564
5. Step 5: Solve for x
   x = 64,638,994,564/116,869
6. Step 6: Final answer
   x = 553,089.31