Finding the Third Proportional to 21,151.13 and 45,982.69

Step by Step Solution

1. Step 1: Write the proportion equation
   21,151.13 : 45,982.69 = 45,982.69 : x
2. Step 2: Convert to fraction form
   21,151.13/45,982.69 = 45,982.69/x
3. Step 3: Cross multiply
   21,151.13x = 45,982.69 × 45,982.69
4. Step 4: Simplify right side
   21,151.13x = 2,114,407,549.72
5. Step 5: Solve for x
   x = 2,114,407,549.72/21,151.13
6. Step 6: Final answer
   x = 99,966.67