Finding the Third Proportional to 72,018 and 157,032

Step by Step Solution

1. Step 1: Write the proportion equation
   72,018 : 157,032 = 157,032 : x
2. Step 2: Convert to fraction form
   72,018/157,032 = 157,032/x
3. Step 3: Cross multiply
   72,018x = 157,032 × 157,032
4. Step 4: Simplify right side
   72,018x = 24,659,049,024
5. Step 5: Solve for x
   x = 24,659,049,024/72,018
6. Step 6: Final answer
   x = 342,401.19