Finding the Third Proportional to 196,587 and 300,611.25

Step by Step Solution

1. Step 1: Write the proportion equation
   196,587 : 300,611.25 = 300,611.25 : x
2. Step 2: Convert to fraction form
   196,587/300,611.25 = 300,611.25/x
3. Step 3: Cross multiply
   196,587x = 300,611.25 × 300,611.25
4. Step 4: Simplify right side
   196,587x = 90,367,123,626.56
5. Step 5: Solve for x
   x = 90,367,123,626.56/196,587
6. Step 6: Final answer
   x = 459,680.06