Finding the Third Proportional to 196,553.25 and 426,478.50

Step by Step Solution

1. Step 1: Write the proportion equation
   196,553.25 : 426,478.50 = 426,478.50 : x
2. Step 2: Convert to fraction form
   196,553.25/426,478.50 = 426,478.50/x
3. Step 3: Cross multiply
   196,553.25x = 426,478.50 × 426,478.50
4. Step 4: Simplify right side
   196,553.25x = 181,883,910,962.25
5. Step 5: Solve for x
   x = 181,883,910,962.25/196,553.25
6. Step 6: Final answer
   x = 925,367.10