Finding the Third Proportional to 20,373.19 and 42,958.69

Step by Step Solution

1. Step 1: Write the proportion equation
   20,373.19 : 42,958.69 = 42,958.69 : x
2. Step 2: Convert to fraction form
   20,373.19/42,958.69 = 42,958.69/x
3. Step 3: Cross multiply
   20,373.19x = 42,958.69 × 42,958.69
4. Step 4: Simplify right side
   20,373.19x = 1,845,448,831.72
5. Step 5: Solve for x
   x = 1,845,448,831.72/20,373.19
6. Step 6: Final answer
   x = 90,582.23