Finding the Third Proportional to 283,614 and 439,096.50

Step by Step Solution

1. Step 1: Write the proportion equation
   283,614 : 439,096.50 = 439,096.50 : x
2. Step 2: Convert to fraction form
   283,614/439,096.50 = 439,096.50/x
3. Step 3: Cross multiply
   283,614x = 439,096.50 × 439,096.50
4. Step 4: Simplify right side
   283,614x = 192,805,736,312.25
5. Step 5: Solve for x
   x = 192,805,736,312.25/283,614
6. Step 6: Final answer
   x = 679,817.41