Finding the Third Proportional to 30,186 and 64,995

Step by Step Solution

1. Step 1: Write the proportion equation
   30,186 : 64,995 = 64,995 : x
2. Step 2: Convert to fraction form
   30,186/64,995 = 64,995/x
3. Step 3: Cross multiply
   30,186x = 64,995 × 64,995
4. Step 4: Simplify right side
   30,186x = 4,224,350,025
5. Step 5: Solve for x
   x = 4,224,350,025/30,186
6. Step 6: Final answer
   x = 139,944.01