Finding the Third Proportional to 9,715 and 21,062

Step by Step Solution

1. Step 1: Write the proportion equation
   9,715 : 21,062 = 21,062 : x
2. Step 2: Convert to fraction form
   9,715/21,062 = 21,062/x
3. Step 3: Cross multiply
   9,715x = 21,062 × 21,062
4. Step 4: Simplify right side
   9,715x = 443,607,844
5. Step 5: Solve for x
   x = 443,607,844/9,715
6. Step 6: Final answer
   x = 45,662.16