Finding the Third Proportional to 173,724 and 275,307.75

Step by Step Solution

1. Step 1: Write the proportion equation
   173,724 : 275,307.75 = 275,307.75 : x
2. Step 2: Convert to fraction form
   173,724/275,307.75 = 275,307.75/x
3. Step 3: Cross multiply
   173,724x = 275,307.75 × 275,307.75
4. Step 4: Simplify right side
   173,724x = 75,794,357,210.06
5. Step 5: Solve for x
   x = 75,794,357,210.06/173,724
6. Step 6: Final answer
   x = 436,291.80