Finding the Third Proportional to 63,731 and 140,045

Step by Step Solution

1. Step 1: Write the proportion equation
   63,731 : 140,045 = 140,045 : x
2. Step 2: Convert to fraction form
   63,731/140,045 = 140,045/x
3. Step 3: Cross multiply
   63,731x = 140,045 × 140,045
4. Step 4: Simplify right side
   63,731x = 19,612,602,025
5. Step 5: Solve for x
   x = 19,612,602,025/63,731
6. Step 6: Final answer
   x = 307,740.38