Finding the Third Proportional to 1,607.69 and 3,412.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,607.69 : 3,412.88 = 3,412.88 : x
2. Step 2: Convert to fraction form
   1,607.69/3,412.88 = 3,412.88/x
3. Step 3: Cross multiply
   1,607.69x = 3,412.88 × 3,412.88
4. Step 4: Simplify right side
   1,607.69x = 11,647,715.77
5. Step 5: Solve for x
   x = 11,647,715.77/1,607.69
6. Step 6: Final answer
   x = 7,245.01