Finding the Third Proportional to 151,285.50 and 205,561.50

Step by Step Solution

1. Step 1: Write the proportion equation
   151,285.50 : 205,561.50 = 205,561.50 : x
2. Step 2: Convert to fraction form
   151,285.50/205,561.50 = 205,561.50/x
3. Step 3: Cross multiply
   151,285.50x = 205,561.50 × 205,561.50
4. Step 4: Simplify right side
   151,285.50x = 42,255,530,282.25
5. Step 5: Solve for x
   x = 42,255,530,282.25/151,285.50
6. Step 6: Final answer
   x = 279,309.85