Finding the Third Proportional to 65,343 and 140,391

Step by Step Solution

1. Step 1: Write the proportion equation
   65,343 : 140,391 = 140,391 : x
2. Step 2: Convert to fraction form
   65,343/140,391 = 140,391/x
3. Step 3: Cross multiply
   65,343x = 140,391 × 140,391
4. Step 4: Simplify right side
   65,343x = 19,709,632,881
5. Step 5: Solve for x
   x = 19,709,632,881/65,343
6. Step 6: Final answer
   x = 301,633.42