Finding the Third Proportional to 9,416.25 and 12,911.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,416.25 : 12,911.48 = 12,911.48 : x
2. Step 2: Convert to fraction form
   9,416.25/12,911.48 = 12,911.48/x
3. Step 3: Cross multiply
   9,416.25x = 12,911.48 × 12,911.48
4. Step 4: Simplify right side
   9,416.25x = 166,706,428.77
5. Step 5: Solve for x
   x = 166,706,428.77/9,416.25
6. Step 6: Final answer
   x = 17,704.12