Finding the Third Proportional to 60,513 and 140,619

Step by Step Solution

1. Step 1: Write the proportion equation
   60,513 : 140,619 = 140,619 : x
2. Step 2: Convert to fraction form
   60,513/140,619 = 140,619/x
3. Step 3: Cross multiply
   60,513x = 140,619 × 140,619
4. Step 4: Simplify right side
   60,513x = 19,773,703,161
5. Step 5: Solve for x
   x = 19,773,703,161/60,513
6. Step 6: Final answer
   x = 326,767.85