Finding the Third Proportional to 179,739 and 275,062.50

Step by Step Solution

1. Step 1: Write the proportion equation
   179,739 : 275,062.50 = 275,062.50 : x
2. Step 2: Convert to fraction form
   179,739/275,062.50 = 275,062.50/x
3. Step 3: Cross multiply
   179,739x = 275,062.50 × 275,062.50
4. Step 4: Simplify right side
   179,739x = 75,659,378,906.25
5. Step 5: Solve for x
   x = 75,659,378,906.25/179,739
6. Step 6: Final answer
   x = 420,940.25