Finding the Third Proportional to 173,388 and 360,522

Step by Step Solution

1. Step 1: Write the proportion equation
   173,388 : 360,522 = 360,522 : x
2. Step 2: Convert to fraction form
   173,388/360,522 = 360,522/x
3. Step 3: Cross multiply
   173,388x = 360,522 × 360,522
4. Step 4: Simplify right side
   173,388x = 129,976,112,484
5. Step 5: Solve for x
   x = 129,976,112,484/173,388
6. Step 6: Final answer
   x = 749,625.77