Finding the Third Proportional to 72,444.38 and 111,942

Step by Step Solution

1. Step 1: Write the proportion equation
   72,444.38 : 111,942 = 111,942 : x
2. Step 2: Convert to fraction form
   72,444.38/111,942 = 111,942/x
3. Step 3: Cross multiply
   72,444.38x = 111,942 × 111,942
4. Step 4: Simplify right side
   72,444.38x = 12,531,011,364
5. Step 5: Solve for x
   x = 12,531,011,364/72,444.38
6. Step 6: Final answer
   x = 172,974.25