Finding the Third Proportional to 284,221.50 and 607,824

Step by Step Solution

1. Step 1: Write the proportion equation
   284,221.50 : 607,824 = 607,824 : x
2. Step 2: Convert to fraction form
   284,221.50/607,824 = 607,824/x
3. Step 3: Cross multiply
   284,221.50x = 607,824 × 607,824
4. Step 4: Simplify right side
   284,221.50x = 369,450,014,976
5. Step 5: Solve for x
   x = 369,450,014,976/284,221.50
6. Step 6: Final answer
   x = 1,299,866.53