Finding the Third Proportional to 283,928.50 and 625,468

Step by Step Solution

1. Step 1: Write the proportion equation
   283,928.50 : 625,468 = 625,468 : x
2. Step 2: Convert to fraction form
   283,928.50/625,468 = 625,468/x
3. Step 3: Cross multiply
   283,928.50x = 625,468 × 625,468
4. Step 4: Simplify right side
   283,928.50x = 391,210,219,024
5. Step 5: Solve for x
   x = 391,210,219,024/283,928.50
6. Step 6: Final answer
   x = 1,377,847.66