Finding the Third Proportional to 21,788 and 32,620

Step by Step Solution

1. Step 1: Write the proportion equation
   21,788 : 32,620 = 32,620 : x
2. Step 2: Convert to fraction form
   21,788/32,620 = 32,620/x
3. Step 3: Cross multiply
   21,788x = 32,620 × 32,620
4. Step 4: Simplify right side
   21,788x = 1,064,064,400
5. Step 5: Solve for x
   x = 1,064,064,400/21,788
6. Step 6: Final answer
   x = 48,837.18