Finding the Third Proportional to 140,102.50 and 304,020

Step by Step Solution

1. Step 1: Write the proportion equation
   140,102.50 : 304,020 = 304,020 : x
2. Step 2: Convert to fraction form
   140,102.50/304,020 = 304,020/x
3. Step 3: Cross multiply
   140,102.50x = 304,020 × 304,020
4. Step 4: Simplify right side
   140,102.50x = 92,428,160,400
5. Step 5: Solve for x
   x = 92,428,160,400/140,102.50
6. Step 6: Final answer
   x = 659,718.14