Finding the Third Proportional to 140,458.50 and 304,731

Step by Step Solution

1. Step 1: Write the proportion equation
   140,458.50 : 304,731 = 304,731 : x
2. Step 2: Convert to fraction form
   140,458.50/304,731 = 304,731/x
3. Step 3: Cross multiply
   140,458.50x = 304,731 × 304,731
4. Step 4: Simplify right side
   140,458.50x = 92,860,982,361
5. Step 5: Solve for x
   x = 92,860,982,361/140,458.50
6. Step 6: Final answer
   x = 661,127.54