Finding the Third Proportional to 21,031.50 and 45,981

Step by Step Solution

1. Step 1: Write the proportion equation
   21,031.50 : 45,981 = 45,981 : x
2. Step 2: Convert to fraction form
   21,031.50/45,981 = 45,981/x
3. Step 3: Cross multiply
   21,031.50x = 45,981 × 45,981
4. Step 4: Simplify right side
   21,031.50x = 2,114,252,361
5. Step 5: Solve for x
   x = 2,114,252,361/21,031.50
6. Step 6: Final answer
   x = 100,527.89