Finding the Third Proportional to 197,441.25 and 426,404.25

Step by Step Solution

1. Step 1: Write the proportion equation
   197,441.25 : 426,404.25 = 426,404.25 : x
2. Step 2: Convert to fraction form
   197,441.25/426,404.25 = 426,404.25/x
3. Step 3: Cross multiply
   197,441.25x = 426,404.25 × 426,404.25
4. Step 4: Simplify right side
   197,441.25x = 181,820,584,418.06
5. Step 5: Solve for x
   x = 181,820,584,418.06/197,441.25
6. Step 6: Final answer
   x = 920,884.49