Finding the Third Proportional to 89,986 and 208,323.50

Step by Step Solution

1. Step 1: Write the proportion equation
   89,986 : 208,323.50 = 208,323.50 : x
2. Step 2: Convert to fraction form
   89,986/208,323.50 = 208,323.50/x
3. Step 3: Cross multiply
   89,986x = 208,323.50 × 208,323.50
4. Step 4: Simplify right side
   89,986x = 43,398,680,652.25
5. Step 5: Solve for x
   x = 43,398,680,652.25/89,986
6. Step 6: Final answer
   x = 482,282.58