Finding the Third Proportional to 35,449.03 and 54,916.31

Step by Step Solution

1. Step 1: Write the proportion equation
   35,449.03 : 54,916.31 = 54,916.31 : x
2. Step 2: Convert to fraction form
   35,449.03/54,916.31 = 54,916.31/x
3. Step 3: Cross multiply
   35,449.03x = 54,916.31 × 54,916.31
4. Step 4: Simplify right side
   35,449.03x = 3,015,801,378.60
5. Step 5: Solve for x
   x = 3,015,801,378.60/35,449.03
6. Step 6: Final answer
   x = 85,074.30