Finding the Third Proportional to 196,129.50 and 303,070

Step by Step Solution

1. Step 1: Write the proportion equation
   196,129.50 : 303,070 = 303,070 : x
2. Step 2: Convert to fraction form
   196,129.50/303,070 = 303,070/x
3. Step 3: Cross multiply
   196,129.50x = 303,070 × 303,070
4. Step 4: Simplify right side
   196,129.50x = 91,851,424,900
5. Step 5: Solve for x
   x = 91,851,424,900/196,129.50
6. Step 6: Final answer
   x = 468,320.29