Finding the Third Proportional to 9,406.69 and 12,812.34

Step by Step Solution

1. Step 1: Write the proportion equation
   9,406.69 : 12,812.34 = 12,812.34 : x
2. Step 2: Convert to fraction form
   9,406.69/12,812.34 = 12,812.34/x
3. Step 3: Cross multiply
   9,406.69x = 12,812.34 × 12,812.34
4. Step 4: Simplify right side
   9,406.69x = 164,156,152.37
5. Step 5: Solve for x
   x = 164,156,152.37/9,406.69
6. Step 6: Final answer
   x = 17,451.01