Finding the Third Proportional to 196,732 and 407,455.50

Step by Step Solution

1. Step 1: Write the proportion equation
   196,732 : 407,455.50 = 407,455.50 : x
2. Step 2: Convert to fraction form
   196,732/407,455.50 = 407,455.50/x
3. Step 3: Cross multiply
   196,732x = 407,455.50 × 407,455.50
4. Step 4: Simplify right side
   196,732x = 166,019,984,480.25
5. Step 5: Solve for x
   x = 166,019,984,480.25/196,732
6. Step 6: Final answer
   x = 843,889.07