Finding the Third Proportional to 196,574 and 296,490

Step by Step Solution

1. Step 1: Write the proportion equation
   196,574 : 296,490 = 296,490 : x
2. Step 2: Convert to fraction form
   196,574/296,490 = 296,490/x
3. Step 3: Cross multiply
   196,574x = 296,490 × 296,490
4. Step 4: Simplify right side
   196,574x = 87,906,320,100
5. Step 5: Solve for x
   x = 87,906,320,100/196,574
6. Step 6: Final answer
   x = 447,192.00