Finding the Third Proportional to 7,851.94 and 12,522.09

Step by Step Solution

1. Step 1: Write the proportion equation
   7,851.94 : 12,522.09 = 12,522.09 : x
2. Step 2: Convert to fraction form
   7,851.94/12,522.09 = 12,522.09/x
3. Step 3: Cross multiply
   7,851.94x = 12,522.09 × 12,522.09
4. Step 4: Simplify right side
   7,851.94x = 156,802,831.88
5. Step 5: Solve for x
   x = 156,802,831.88/7,851.94
6. Step 6: Final answer
   x = 19,969.95