Finding the Third Proportional to 37,809 and 55,620

Step by Step Solution

1. Step 1: Write the proportion equation
   37,809 : 55,620 = 55,620 : x
2. Step 2: Convert to fraction form
   37,809/55,620 = 55,620/x
3. Step 3: Cross multiply
   37,809x = 55,620 × 55,620
4. Step 4: Simplify right side
   37,809x = 3,093,584,400
5. Step 5: Solve for x
   x = 3,093,584,400/37,809
6. Step 6: Final answer
   x = 81,821.38