Finding the Third Proportional to 60,619.50 and 131,607

Step by Step Solution

1. Step 1: Write the proportion equation
   60,619.50 : 131,607 = 131,607 : x
2. Step 2: Convert to fraction form
   60,619.50/131,607 = 131,607/x
3. Step 3: Cross multiply
   60,619.50x = 131,607 × 131,607
4. Step 4: Simplify right side
   60,619.50x = 17,320,402,449
5. Step 5: Solve for x
   x = 17,320,402,449/60,619.50
6. Step 6: Final answer
   x = 285,723.28