Finding the Third Proportional to 37,315.69 and 80,406.42

Step by Step Solution

1. Step 1: Write the proportion equation
   37,315.69 : 80,406.42 = 80,406.42 : x
2. Step 2: Convert to fraction form
   37,315.69/80,406.42 = 80,406.42/x
3. Step 3: Cross multiply
   37,315.69x = 80,406.42 × 80,406.42
4. Step 4: Simplify right side
   37,315.69x = 6,465,192,678.74
5. Step 5: Solve for x
   x = 6,465,192,678.74/37,315.69
6. Step 6: Final answer
   x = 173,256.69