Finding the Third Proportional to 20,298.09 and 30,416.77

Step by Step Solution

1. Step 1: Write the proportion equation
   20,298.09 : 30,416.77 = 30,416.77 : x
2. Step 2: Convert to fraction form
   20,298.09/30,416.77 = 30,416.77/x
3. Step 3: Cross multiply
   20,298.09x = 30,416.77 × 30,416.77
4. Step 4: Simplify right side
   20,298.09x = 925,179,631.09
5. Step 5: Solve for x
   x = 925,179,631.09/20,298.09
6. Step 6: Final answer
   x = 45,579.63