Finding the Third Proportional to 72,802 and 157,988

Step by Step Solution

1. Step 1: Write the proportion equation
   72,802 : 157,988 = 157,988 : x
2. Step 2: Convert to fraction form
   72,802/157,988 = 157,988/x
3. Step 3: Cross multiply
   72,802x = 157,988 × 157,988
4. Step 4: Simplify right side
   72,802x = 24,960,208,144
5. Step 5: Solve for x
   x = 24,960,208,144/72,802
6. Step 6: Final answer
   x = 342,850.58