Finding the Third Proportional to 284,196.09 and 621,882.56

Step by Step Solution

1. Step 1: Write the proportion equation
   284,196.09 : 621,882.56 = 621,882.56 : x
2. Step 2: Convert to fraction form
   284,196.09/621,882.56 = 621,882.56/x
3. Step 3: Cross multiply
   284,196.09x = 621,882.56 × 621,882.56
4. Step 4: Simplify right side
   284,196.09x = 386,737,921,541.57
5. Step 5: Solve for x
   x = 386,737,921,541.57/284,196.09
6. Step 6: Final answer
   x = 1,360,813.64