Finding the Third Proportional to 1,666.50 and 3,606

Step by Step Solution

1. Step 1: Write the proportion equation
   1,666.50 : 3,606 = 3,606 : x
2. Step 2: Convert to fraction form
   1,666.50/3,606 = 3,606/x
3. Step 3: Cross multiply
   1,666.50x = 3,606 × 3,606
4. Step 4: Simplify right side
   1,666.50x = 13,003,236
5. Step 5: Solve for x
   x = 13,003,236/1,666.50
6. Step 6: Final answer
   x = 7,802.72