Finding the Third Proportional to 37,669 and 56,990

Step by Step Solution

1. Step 1: Write the proportion equation
   37,669 : 56,990 = 56,990 : x
2. Step 2: Convert to fraction form
   37,669/56,990 = 56,990/x
3. Step 3: Cross multiply
   37,669x = 56,990 × 56,990
4. Step 4: Simplify right side
   37,669x = 3,247,860,100
5. Step 5: Solve for x
   x = 3,247,860,100/37,669
6. Step 6: Final answer
   x = 86,221.03