Finding the Third Proportional to 109,136 and 229,280

Step by Step Solution

1. Step 1: Write the proportion equation
   109,136 : 229,280 = 229,280 : x
2. Step 2: Convert to fraction form
   109,136/229,280 = 229,280/x
3. Step 3: Cross multiply
   109,136x = 229,280 × 229,280
4. Step 4: Simplify right side
   109,136x = 52,569,318,400
5. Step 5: Solve for x
   x = 52,569,318,400/109,136
6. Step 6: Final answer
   x = 481,686.32