Finding the Third Proportional to 20,572 and 30,078

Step by Step Solution

1. Step 1: Write the proportion equation
   20,572 : 30,078 = 30,078 : x
2. Step 2: Convert to fraction form
   20,572/30,078 = 30,078/x
3. Step 3: Cross multiply
   20,572x = 30,078 × 30,078
4. Step 4: Simplify right side
   20,572x = 904,686,084
5. Step 5: Solve for x
   x = 904,686,084/20,572
6. Step 6: Final answer
   x = 43,976.57