Finding the Third Proportional to 17,580.66 and 35,814.09

Step by Step Solution

1. Step 1: Write the proportion equation
   17,580.66 : 35,814.09 = 35,814.09 : x
2. Step 2: Convert to fraction form
   17,580.66/35,814.09 = 35,814.09/x
3. Step 3: Cross multiply
   17,580.66x = 35,814.09 × 35,814.09
4. Step 4: Simplify right side
   17,580.66x = 1,282,649,311.13
5. Step 5: Solve for x
   x = 1,282,649,311.13/17,580.66
6. Step 6: Final answer
   x = 72,957.99