Finding the Third Proportional to 283,651 and 419,875.50

Step by Step Solution

1. Step 1: Write the proportion equation
   283,651 : 419,875.50 = 419,875.50 : x
2. Step 2: Convert to fraction form
   283,651/419,875.50 = 419,875.50/x
3. Step 3: Cross multiply
   283,651x = 419,875.50 × 419,875.50
4. Step 4: Simplify right side
   283,651x = 176,295,435,500.25
5. Step 5: Solve for x
   x = 176,295,435,500.25/283,651
6. Step 6: Final answer
   x = 621,522.35