Finding the Third Proportional to 19,430 and 30,003

Step by Step Solution

1. Step 1: Write the proportion equation
   19,430 : 30,003 = 30,003 : x
2. Step 2: Convert to fraction form
   19,430/30,003 = 30,003/x
3. Step 3: Cross multiply
   19,430x = 30,003 × 30,003
4. Step 4: Simplify right side
   19,430x = 900,180,009
5. Step 5: Solve for x
   x = 900,180,009/19,430
6. Step 6: Final answer
   x = 46,329.39