Finding the Third Proportional to 35,683.50 and 54,869.50

Step by Step Solution

1. Step 1: Write the proportion equation
   35,683.50 : 54,869.50 = 54,869.50 : x
2. Step 2: Convert to fraction form
   35,683.50/54,869.50 = 54,869.50/x
3. Step 3: Cross multiply
   35,683.50x = 54,869.50 × 54,869.50
4. Step 4: Simplify right side
   35,683.50x = 3,010,662,030.25
5. Step 5: Solve for x
   x = 3,010,662,030.25/35,683.50
6. Step 6: Final answer
   x = 84,371.26