Finding the Third Proportional to 38,974.50 and 55,734.75

Step by Step Solution

1. Step 1: Write the proportion equation
   38,974.50 : 55,734.75 = 55,734.75 : x
2. Step 2: Convert to fraction form
   38,974.50/55,734.75 = 55,734.75/x
3. Step 3: Cross multiply
   38,974.50x = 55,734.75 × 55,734.75
4. Step 4: Simplify right side
   38,974.50x = 3,106,362,357.56
5. Step 5: Solve for x
   x = 3,106,362,357.56/38,974.50
6. Step 6: Final answer
   x = 79,702.43