Finding the Third Proportional to 193,338 and 425,870

Step by Step Solution

1. Step 1: Write the proportion equation
   193,338 : 425,870 = 425,870 : x
2. Step 2: Convert to fraction form
   193,338/425,870 = 425,870/x
3. Step 3: Cross multiply
   193,338x = 425,870 × 425,870
4. Step 4: Simplify right side
   193,338x = 181,365,256,900
5. Step 5: Solve for x
   x = 181,365,256,900/193,338
6. Step 6: Final answer
   x = 938,073.51