Finding the Third Proportional to 9,051.75 and 12,818.25

Step by Step Solution

1. Step 1: Write the proportion equation
   9,051.75 : 12,818.25 = 12,818.25 : x
2. Step 2: Convert to fraction form
   9,051.75/12,818.25 = 12,818.25/x
3. Step 3: Cross multiply
   9,051.75x = 12,818.25 × 12,818.25
4. Step 4: Simplify right side
   9,051.75x = 164,307,533.06
5. Step 5: Solve for x
   x = 164,307,533.06/9,051.75
6. Step 6: Final answer
   x = 18,152.02