Finding the Third Proportional to 37,542 and 54,558

Step by Step Solution

1. Step 1: Write the proportion equation
   37,542 : 54,558 = 54,558 : x
2. Step 2: Convert to fraction form
   37,542/54,558 = 54,558/x
3. Step 3: Cross multiply
   37,542x = 54,558 × 54,558
4. Step 4: Simplify right side
   37,542x = 2,976,575,364
5. Step 5: Solve for x
   x = 2,976,575,364/37,542
6. Step 6: Final answer
   x = 79,286.54