Finding the Third Proportional to 7,391.63 and 10,870.88

Step by Step Solution

1. Step 1: Write the proportion equation
   7,391.63 : 10,870.88 = 10,870.88 : x
2. Step 2: Convert to fraction form
   7,391.63/10,870.88 = 10,870.88/x
3. Step 3: Cross multiply
   7,391.63x = 10,870.88 × 10,870.88
4. Step 4: Simplify right side
   7,391.63x = 118,175,923.27
5. Step 5: Solve for x
   x = 118,175,923.27/7,391.63
6. Step 6: Final answer
   x = 15,987.81