Finding the Third Proportional to 60,357 and 86,185.50

Step by Step Solution

1. Step 1: Write the proportion equation
   60,357 : 86,185.50 = 86,185.50 : x
2. Step 2: Convert to fraction form
   60,357/86,185.50 = 86,185.50/x
3. Step 3: Cross multiply
   60,357x = 86,185.50 × 86,185.50
4. Step 4: Simplify right side
   60,357x = 7,427,940,410.25
5. Step 5: Solve for x
   x = 7,427,940,410.25/60,357
6. Step 6: Final answer
   x = 123,066.76