Finding the Third Proportional to 21,465 and 45,810

Step by Step Solution

1. Step 1: Write the proportion equation
   21,465 : 45,810 = 45,810 : x
2. Step 2: Convert to fraction form
   21,465/45,810 = 45,810/x
3. Step 3: Cross multiply
   21,465x = 45,810 × 45,810
4. Step 4: Simplify right side
   21,465x = 2,098,556,100
5. Step 5: Solve for x
   x = 2,098,556,100/21,465
6. Step 6: Final answer
   x = 97,766.42