Finding the Third Proportional to 19,440 and 30,132

Step by Step Solution

1. Step 1: Write the proportion equation
   19,440 : 30,132 = 30,132 : x
2. Step 2: Convert to fraction form
   19,440/30,132 = 30,132/x
3. Step 3: Cross multiply
   19,440x = 30,132 × 30,132
4. Step 4: Simplify right side
   19,440x = 907,937,424
5. Step 5: Solve for x
   x = 907,937,424/19,440
6. Step 6: Final answer
   x = 46,704.60