Finding the Third Proportional to 63,665 and 140,038

Step by Step Solution

1. Step 1: Write the proportion equation
   63,665 : 140,038 = 140,038 : x
2. Step 2: Convert to fraction form
   63,665/140,038 = 140,038/x
3. Step 3: Cross multiply
   63,665x = 140,038 × 140,038
4. Step 4: Simplify right side
   63,665x = 19,610,641,444
5. Step 5: Solve for x
   x = 19,610,641,444/63,665
6. Step 6: Final answer
   x = 308,028.61