Finding the Third Proportional to 21,412 and 31,926

Step by Step Solution

1. Step 1: Write the proportion equation
   21,412 : 31,926 = 31,926 : x
2. Step 2: Convert to fraction form
   21,412/31,926 = 31,926/x
3. Step 3: Cross multiply
   21,412x = 31,926 × 31,926
4. Step 4: Simplify right side
   21,412x = 1,019,269,476
5. Step 5: Solve for x
   x = 1,019,269,476/21,412
6. Step 6: Final answer
   x = 47,602.72