Finding the Third Proportional to 20,478 and 30,043

Step by Step Solution

1. Step 1: Write the proportion equation
   20,478 : 30,043 = 30,043 : x
2. Step 2: Convert to fraction form
   20,478/30,043 = 30,043/x
3. Step 3: Cross multiply
   20,478x = 30,043 × 30,043
4. Step 4: Simplify right side
   20,478x = 902,581,849
5. Step 5: Solve for x
   x = 902,581,849/20,478
6. Step 6: Final answer
   x = 44,075.68