Finding the Third Proportional to 105,990 and 227,335.50

Step by Step Solution

1. Step 1: Write the proportion equation
   105,990 : 227,335.50 = 227,335.50 : x
2. Step 2: Convert to fraction form
   105,990/227,335.50 = 227,335.50/x
3. Step 3: Cross multiply
   105,990x = 227,335.50 × 227,335.50
4. Step 4: Simplify right side
   105,990x = 51,681,429,560.25
5. Step 5: Solve for x
   x = 51,681,429,560.25/105,990
6. Step 6: Final answer
   x = 487,606.66