Finding the Third Proportional to 13,578 and 28,002

Step by Step Solution

1. Step 1: Write the proportion equation
   13,578 : 28,002 = 28,002 : x
2. Step 2: Convert to fraction form
   13,578/28,002 = 28,002/x
3. Step 3: Cross multiply
   13,578x = 28,002 × 28,002
4. Step 4: Simplify right side
   13,578x = 784,112,004
5. Step 5: Solve for x
   x = 784,112,004/13,578
6. Step 6: Final answer
   x = 57,748.71