Finding the Third Proportional to 35,681.50 and 54,866.50

Step by Step Solution

1. Step 1: Write the proportion equation
   35,681.50 : 54,866.50 = 54,866.50 : x
2. Step 2: Convert to fraction form
   35,681.50/54,866.50 = 54,866.50/x
3. Step 3: Cross multiply
   35,681.50x = 54,866.50 × 54,866.50
4. Step 4: Simplify right side
   35,681.50x = 3,010,332,822.25
5. Step 5: Solve for x
   x = 3,010,332,822.25/35,681.50
6. Step 6: Final answer
   x = 84,366.77