Finding the Third Proportional to 37,210 and 56,689

Step by Step Solution

1. Step 1: Write the proportion equation
   37,210 : 56,689 = 56,689 : x
2. Step 2: Convert to fraction form
   37,210/56,689 = 56,689/x
3. Step 3: Cross multiply
   37,210x = 56,689 × 56,689
4. Step 4: Simplify right side
   37,210x = 3,213,642,721
5. Step 5: Solve for x
   x = 3,213,642,721/37,210
6. Step 6: Final answer
   x = 86,365.03