Finding the Third Proportional to 65,587 and 144,956

Step by Step Solution

1. Step 1: Write the proportion equation
   65,587 : 144,956 = 144,956 : x
2. Step 2: Convert to fraction form
   65,587/144,956 = 144,956/x
3. Step 3: Cross multiply
   65,587x = 144,956 × 144,956
4. Step 4: Simplify right side
   65,587x = 21,012,241,936
5. Step 5: Solve for x
   x = 21,012,241,936/65,587
6. Step 6: Final answer
   x = 320,372.05