Finding the Third Proportional to 28,574 and 58,540

Step by Step Solution

1. Step 1: Write the proportion equation
   28,574 : 58,540 = 58,540 : x
2. Step 2: Convert to fraction form
   28,574/58,540 = 58,540/x
3. Step 3: Cross multiply
   28,574x = 58,540 × 58,540
4. Step 4: Simplify right side
   28,574x = 3,426,931,600
5. Step 5: Solve for x
   x = 3,426,931,600/28,574
6. Step 6: Final answer
   x = 119,931.81