Finding the Third Proportional to 60,505 and 131,507

Step by Step Solution

1. Step 1: Write the proportion equation
   60,505 : 131,507 = 131,507 : x
2. Step 2: Convert to fraction form
   60,505/131,507 = 131,507/x
3. Step 3: Cross multiply
   60,505x = 131,507 × 131,507
4. Step 4: Simplify right side
   60,505x = 17,294,091,049
5. Step 5: Solve for x
   x = 17,294,091,049/60,505
6. Step 6: Final answer
   x = 285,829.12