Finding the Third Proportional to 20,884.71 and 45,921.30

Step by Step Solution

1. Step 1: Write the proportion equation
   20,884.71 : 45,921.30 = 45,921.30 : x
2. Step 2: Convert to fraction form
   20,884.71/45,921.30 = 45,921.30/x
3. Step 3: Cross multiply
   20,884.71x = 45,921.30 × 45,921.30
4. Step 4: Simplify right side
   20,884.71x = 2,108,766,224.20
5. Step 5: Solve for x
   x = 2,108,766,224.20/20,884.71
6. Step 6: Final answer
   x = 100,971.77