Finding the Third Proportional to 284,978.50 and 444,720.50

Step by Step Solution

1. Step 1: Write the proportion equation
   284,978.50 : 444,720.50 = 444,720.50 : x
2. Step 2: Convert to fraction form
   284,978.50/444,720.50 = 444,720.50/x
3. Step 3: Cross multiply
   284,978.50x = 444,720.50 × 444,720.50
4. Step 4: Simplify right side
   284,978.50x = 197,776,323,120.25
5. Step 5: Solve for x
   x = 197,776,323,120.25/284,978.50
6. Step 6: Final answer
   x = 694,004.37