Finding the Third Proportional to 173,184 and 359,976

Step by Step Solution

1. Step 1: Write the proportion equation
   173,184 : 359,976 = 359,976 : x
2. Step 2: Convert to fraction form
   173,184/359,976 = 359,976/x
3. Step 3: Cross multiply
   173,184x = 359,976 × 359,976
4. Step 4: Simplify right side
   173,184x = 129,582,720,576
5. Step 5: Solve for x
   x = 129,582,720,576/173,184
6. Step 6: Final answer
   x = 748,237.25