Finding the Third Proportional to 196,404.75 and 300,312.56

Step by Step Solution

1. Step 1: Write the proportion equation
   196,404.75 : 300,312.56 = 300,312.56 : x
2. Step 2: Convert to fraction form
   196,404.75/300,312.56 = 300,312.56/x
3. Step 3: Cross multiply
   196,404.75x = 300,312.56 × 300,312.56
4. Step 4: Simplify right side
   196,404.75x = 90,187,635,195.32
5. Step 5: Solve for x
   x = 90,187,635,195.32/196,404.75
6. Step 6: Final answer
   x = 459,192.74