Finding the Third Proportional to 21,427.66 and 32,685.40

Step by Step Solution

1. Step 1: Write the proportion equation
   21,427.66 : 32,685.40 = 32,685.40 : x
2. Step 2: Convert to fraction form
   21,427.66/32,685.40 = 32,685.40/x
3. Step 3: Cross multiply
   21,427.66x = 32,685.40 × 32,685.40
4. Step 4: Simplify right side
   21,427.66x = 1,068,335,271.02
5. Step 5: Solve for x
   x = 1,068,335,271.02/21,427.66
6. Step 6: Final answer
   x = 49,857.76