Finding the Third Proportional to 65,916 and 140,573

Step by Step Solution

1. Step 1: Write the proportion equation
   65,916 : 140,573 = 140,573 : x
2. Step 2: Convert to fraction form
   65,916/140,573 = 140,573/x
3. Step 3: Cross multiply
   65,916x = 140,573 × 140,573
4. Step 4: Simplify right side
   65,916x = 19,760,768,329
5. Step 5: Solve for x
   x = 19,760,768,329/65,916
6. Step 6: Final answer
   x = 299,787.13