Finding the Third Proportional to 195,499.50 and 425,989.50

Step by Step Solution

1. Step 1: Write the proportion equation
   195,499.50 : 425,989.50 = 425,989.50 : x
2. Step 2: Convert to fraction form
   195,499.50/425,989.50 = 425,989.50/x
3. Step 3: Cross multiply
   195,499.50x = 425,989.50 × 425,989.50
4. Step 4: Simplify right side
   195,499.50x = 181,467,054,110.25
5. Step 5: Solve for x
   x = 181,467,054,110.25/195,499.50
6. Step 6: Final answer
   x = 928,222.60