Finding the Third Proportional to 73,216 and 155,072

Step by Step Solution

1. Step 1: Write the proportion equation
   73,216 : 155,072 = 155,072 : x
2. Step 2: Convert to fraction form
   73,216/155,072 = 155,072/x
3. Step 3: Cross multiply
   73,216x = 155,072 × 155,072
4. Step 4: Simplify right side
   73,216x = 24,047,325,184
5. Step 5: Solve for x
   x = 24,047,325,184/73,216
6. Step 6: Final answer
   x = 328,443.58