Finding the Third Proportional to 284,230 and 607,839.50

Step by Step Solution

1. Step 1: Write the proportion equation
   284,230 : 607,839.50 = 607,839.50 : x
2. Step 2: Convert to fraction form
   284,230/607,839.50 = 607,839.50/x
3. Step 3: Cross multiply
   284,230x = 607,839.50 × 607,839.50
4. Step 4: Simplify right side
   284,230x = 369,468,857,760.25
5. Step 5: Solve for x
   x = 369,468,857,760.25/284,230
6. Step 6: Final answer
   x = 1,299,893.95