Finding the Third Proportional to 20,239 and 42,944.50

Step by Step Solution

1. Step 1: Write the proportion equation
   20,239 : 42,944.50 = 42,944.50 : x
2. Step 2: Convert to fraction form
   20,239/42,944.50 = 42,944.50/x
3. Step 3: Cross multiply
   20,239x = 42,944.50 × 42,944.50
4. Step 4: Simplify right side
   20,239x = 1,844,230,080.25
5. Step 5: Solve for x
   x = 1,844,230,080.25/20,239
6. Step 6: Final answer
   x = 91,122.59