Finding the Third Proportional to 284,544 and 426,073.50

Step by Step Solution

1. Step 1: Write the proportion equation
   284,544 : 426,073.50 = 426,073.50 : x
2. Step 2: Convert to fraction form
   284,544/426,073.50 = 426,073.50/x
3. Step 3: Cross multiply
   284,544x = 426,073.50 × 426,073.50
4. Step 4: Simplify right side
   284,544x = 181,538,627,402.25
5. Step 5: Solve for x
   x = 181,538,627,402.25/284,544
6. Step 6: Final answer
   x = 637,998.44