Finding the Third Proportional to 72,485 and 147,019

Step by Step Solution

1. Step 1: Write the proportion equation
   72,485 : 147,019 = 147,019 : x
2. Step 2: Convert to fraction form
   72,485/147,019 = 147,019/x
3. Step 3: Cross multiply
   72,485x = 147,019 × 147,019
4. Step 4: Simplify right side
   72,485x = 21,614,586,361
5. Step 5: Solve for x
   x = 21,614,586,361/72,485
6. Step 6: Final answer
   x = 298,193.92