Finding the Third Proportional to 114,660 and 243,196

Step by Step Solution

1. Step 1: Write the proportion equation
   114,660 : 243,196 = 243,196 : x
2. Step 2: Convert to fraction form
   114,660/243,196 = 243,196/x
3. Step 3: Cross multiply
   114,660x = 243,196 × 243,196
4. Step 4: Simplify right side
   114,660x = 59,144,294,416
5. Step 5: Solve for x
   x = 59,144,294,416/114,660
6. Step 6: Final answer
   x = 515,823.25