Finding the Third Proportional to 113,404 and 236,136

Step by Step Solution

1. Step 1: Write the proportion equation
   113,404 : 236,136 = 236,136 : x
2. Step 2: Convert to fraction form
   113,404/236,136 = 236,136/x
3. Step 3: Cross multiply
   113,404x = 236,136 × 236,136
4. Step 4: Simplify right side
   113,404x = 55,760,210,496
5. Step 5: Solve for x
   x = 55,760,210,496/113,404
6. Step 6: Final answer
   x = 491,695.27