Finding the Third Proportional to 1,561.69 and 3,330.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,561.69 : 3,330.38 = 3,330.38 : x
2. Step 2: Convert to fraction form
   1,561.69/3,330.38 = 3,330.38/x
3. Step 3: Cross multiply
   1,561.69x = 3,330.38 × 3,330.38
4. Step 4: Simplify right side
   1,561.69x = 11,091,397.64
5. Step 5: Solve for x
   x = 11,091,397.64/1,561.69
6. Step 6: Final answer
   x = 7,102.19