Finding the Third Proportional to 1,666.69 and 2,611.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,666.69 : 2,611.69 = 2,611.69 : x
2. Step 2: Convert to fraction form
   1,666.69/2,611.69 = 2,611.69/x
3. Step 3: Cross multiply
   1,666.69x = 2,611.69 × 2,611.69
4. Step 4: Simplify right side
   1,666.69x = 6,820,911.60
5. Step 5: Solve for x
   x = 6,820,911.60/1,666.69
6. Step 6: Final answer
   x = 4,092.50