Finding the Third Proportional to 116,455 and 237,190

Step by Step Solution

1. Step 1: Write the proportion equation
   116,455 : 237,190 = 237,190 : x
2. Step 2: Convert to fraction form
   116,455/237,190 = 237,190/x
3. Step 3: Cross multiply
   116,455x = 237,190 × 237,190
4. Step 4: Simplify right side
   116,455x = 56,259,096,100
5. Step 5: Solve for x
   x = 56,259,096,100/116,455
6. Step 6: Final answer
   x = 483,097.30