Finding the Third Proportional to 129,045 and 283,789.50

Step by Step Solution

1. Step 1: Write the proportion equation
   129,045 : 283,789.50 = 283,789.50 : x
2. Step 2: Convert to fraction form
   129,045/283,789.50 = 283,789.50/x
3. Step 3: Cross multiply
   129,045x = 283,789.50 × 283,789.50
4. Step 4: Simplify right side
   129,045x = 80,536,480,310.25
5. Step 5: Solve for x
   x = 80,536,480,310.25/129,045
6. Step 6: Final answer
   x = 624,096.09