Finding the Third Proportional to 196,630.56 and 303,638.69

Step by Step Solution

1. Step 1: Write the proportion equation
   196,630.56 : 303,638.69 = 303,638.69 : x
2. Step 2: Convert to fraction form
   196,630.56/303,638.69 = 303,638.69/x
3. Step 3: Cross multiply
   196,630.56x = 303,638.69 × 303,638.69
4. Step 4: Simplify right side
   196,630.56x = 92,196,452,546.72
5. Step 5: Solve for x
   x = 92,196,452,546.72/196,630.56
6. Step 6: Final answer
   x = 468,881.60