Finding the Third Proportional to 7,148.63 and 10,618.88

Step by Step Solution

1. Step 1: Write the proportion equation
   7,148.63 : 10,618.88 = 10,618.88 : x
2. Step 2: Convert to fraction form
   7,148.63/10,618.88 = 10,618.88/x
3. Step 3: Cross multiply
   7,148.63x = 10,618.88 × 10,618.88
4. Step 4: Simplify right side
   7,148.63x = 112,760,506.27
5. Step 5: Solve for x
   x = 112,760,506.27/7,148.63
6. Step 6: Final answer
   x = 15,773.73