Finding the Third Proportional to 116,558 and 242,956

Step by Step Solution

1. Step 1: Write the proportion equation
   116,558 : 242,956 = 242,956 : x
2. Step 2: Convert to fraction form
   116,558/242,956 = 242,956/x
3. Step 3: Cross multiply
   116,558x = 242,956 × 242,956
4. Step 4: Simplify right side
   116,558x = 59,027,617,936
5. Step 5: Solve for x
   x = 59,027,617,936/116,558
6. Step 6: Final answer
   x = 506,422.71