Finding the Third Proportional to 195,448 and 425,870

Step by Step Solution

1. Step 1: Write the proportion equation
   195,448 : 425,870 = 425,870 : x
2. Step 2: Convert to fraction form
   195,448/425,870 = 425,870/x
3. Step 3: Cross multiply
   195,448x = 425,870 × 425,870
4. Step 4: Simplify right side
   195,448x = 181,365,256,900
5. Step 5: Solve for x
   x = 181,365,256,900/195,448
6. Step 6: Final answer
   x = 927,946.34