Finding the Third Proportional to 21,089.81 and 45,682.03

Step by Step Solution

1. Step 1: Write the proportion equation
   21,089.81 : 45,682.03 = 45,682.03 : x
2. Step 2: Convert to fraction form
   21,089.81/45,682.03 = 45,682.03/x
3. Step 3: Cross multiply
   21,089.81x = 45,682.03 × 45,682.03
4. Step 4: Simplify right side
   21,089.81x = 2,086,847,979.13
5. Step 5: Solve for x
   x = 2,086,847,979.13/21,089.81
6. Step 6: Final answer
   x = 98,950.52