Finding the Third Proportional to 196,368 and 300,263.25

Step by Step Solution

1. Step 1: Write the proportion equation
   196,368 : 300,263.25 = 300,263.25 : x
2. Step 2: Convert to fraction form
   196,368/300,263.25 = 300,263.25/x
3. Step 3: Cross multiply
   196,368x = 300,263.25 × 300,263.25
4. Step 4: Simplify right side
   196,368x = 90,158,019,300.56
5. Step 5: Solve for x
   x = 90,158,019,300.56/196,368
6. Step 6: Final answer
   x = 459,127.86