Finding the Third Proportional to 196,276.50 and 428,265

Step by Step Solution

1. Step 1: Write the proportion equation
   196,276.50 : 428,265 = 428,265 : x
2. Step 2: Convert to fraction form
   196,276.50/428,265 = 428,265/x
3. Step 3: Cross multiply
   196,276.50x = 428,265 × 428,265
4. Step 4: Simplify right side
   196,276.50x = 183,410,910,225
5. Step 5: Solve for x
   x = 183,410,910,225/196,276.50
6. Step 6: Final answer
   x = 934,451.71