Finding the Third Proportional to 284,076.50 and 621,598

Step by Step Solution

1. Step 1: Write the proportion equation
   284,076.50 : 621,598 = 621,598 : x
2. Step 2: Convert to fraction form
   284,076.50/621,598 = 621,598/x
3. Step 3: Cross multiply
   284,076.50x = 621,598 × 621,598
4. Step 4: Simplify right side
   284,076.50x = 386,384,073,604
5. Step 5: Solve for x
   x = 386,384,073,604/284,076.50
6. Step 6: Final answer
   x = 1,360,140.93