Finding the Third Proportional to 117,196 and 242,700

Step by Step Solution

1. Step 1: Write the proportion equation
   117,196 : 242,700 = 242,700 : x
2. Step 2: Convert to fraction form
   117,196/242,700 = 242,700/x
3. Step 3: Cross multiply
   117,196x = 242,700 × 242,700
4. Step 4: Simplify right side
   117,196x = 58,903,290,000
5. Step 5: Solve for x
   x = 58,903,290,000/117,196
6. Step 6: Final answer
   x = 502,604.95