Finding the Third Proportional to 196,620 and 295,900.50

Step by Step Solution

1. Step 1: Write the proportion equation
   196,620 : 295,900.50 = 295,900.50 : x
2. Step 2: Convert to fraction form
   196,620/295,900.50 = 295,900.50/x
3. Step 3: Cross multiply
   196,620x = 295,900.50 × 295,900.50
4. Step 4: Simplify right side
   196,620x = 87,557,105,900.25
5. Step 5: Solve for x
   x = 87,557,105,900.25/196,620
6. Step 6: Final answer
   x = 445,311.29