Finding the Third Proportional to 196,143 and 304,258.50

Step by Step Solution

1. Step 1: Write the proportion equation
   196,143 : 304,258.50 = 304,258.50 : x
2. Step 2: Convert to fraction form
   196,143/304,258.50 = 304,258.50/x
3. Step 3: Cross multiply
   196,143x = 304,258.50 × 304,258.50
4. Step 4: Simplify right side
   196,143x = 92,573,234,822.25
5. Step 5: Solve for x
   x = 92,573,234,822.25/196,143
6. Step 6: Final answer
   x = 471,968.08