Finding the Third Proportional to 65,890 and 140,132

Step by Step Solution

1. Step 1: Write the proportion equation
   65,890 : 140,132 = 140,132 : x
2. Step 2: Convert to fraction form
   65,890/140,132 = 140,132/x
3. Step 3: Cross multiply
   65,890x = 140,132 × 140,132
4. Step 4: Simplify right side
   65,890x = 19,636,977,424
5. Step 5: Solve for x
   x = 19,636,977,424/65,890
6. Step 6: Final answer
   x = 298,026.67