Finding the Third Proportional to 17,666.86 and 37,785.55

Step by Step Solution

1. Step 1: Write the proportion equation
   17,666.86 : 37,785.55 = 37,785.55 : x
2. Step 2: Convert to fraction form
   17,666.86/37,785.55 = 37,785.55/x
3. Step 3: Cross multiply
   17,666.86x = 37,785.55 × 37,785.55
4. Step 4: Simplify right side
   17,666.86x = 1,427,747,847.84
5. Step 5: Solve for x
   x = 1,427,747,847.84/17,666.86
6. Step 6: Final answer
   x = 80,815.03