Finding the Third Proportional to 21,381 and 32,170.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,381 : 32,170.50 = 32,170.50 : x
2. Step 2: Convert to fraction form
   21,381/32,170.50 = 32,170.50/x
3. Step 3: Cross multiply
   21,381x = 32,170.50 × 32,170.50
4. Step 4: Simplify right side
   21,381x = 1,034,941,070.25
5. Step 5: Solve for x
   x = 1,034,941,070.25/21,381
6. Step 6: Final answer
   x = 48,404.71