Finding the Third Proportional to 284,096 and 623,488

Step by Step Solution

1. Step 1: Write the proportion equation
   284,096 : 623,488 = 623,488 : x
2. Step 2: Convert to fraction form
   284,096/623,488 = 623,488/x
3. Step 3: Cross multiply
   284,096x = 623,488 × 623,488
4. Step 4: Simplify right side
   284,096x = 388,737,286,144
5. Step 5: Solve for x
   x = 388,737,286,144/284,096
6. Step 6: Final answer
   x = 1,368,330.73