Finding the Third Proportional to 30,732 and 49,290

Step by Step Solution

1. Step 1: Write the proportion equation
   30,732 : 49,290 = 49,290 : x
2. Step 2: Convert to fraction form
   30,732/49,290 = 49,290/x
3. Step 3: Cross multiply
   30,732x = 49,290 × 49,290
4. Step 4: Simplify right side
   30,732x = 2,429,504,100
5. Step 5: Solve for x
   x = 2,429,504,100/30,732
6. Step 6: Final answer
   x = 79,054.54