Finding the Third Proportional to 7,948.41 and 12,315.09

Step by Step Solution

1. Step 1: Write the proportion equation
   7,948.41 : 12,315.09 = 12,315.09 : x
2. Step 2: Convert to fraction form
   7,948.41/12,315.09 = 12,315.09/x
3. Step 3: Cross multiply
   7,948.41x = 12,315.09 × 12,315.09
4. Step 4: Simplify right side
   7,948.41x = 151,661,534.07
5. Step 5: Solve for x
   x = 151,661,534.07/7,948.41
6. Step 6: Final answer
   x = 19,080.75