Finding the Third Proportional to 148,136 and 229,404

Step by Step Solution

1. Step 1: Write the proportion equation
   148,136 : 229,404 = 229,404 : x
2. Step 2: Convert to fraction form
   148,136/229,404 = 229,404/x
3. Step 3: Cross multiply
   148,136x = 229,404 × 229,404
4. Step 4: Simplify right side
   148,136x = 52,626,195,216
5. Step 5: Solve for x
   x = 52,626,195,216/148,136
6. Step 6: Final answer
   x = 355,255.95