Finding the Third Proportional to 19,912 and 30,028

Step by Step Solution

1. Step 1: Write the proportion equation
   19,912 : 30,028 = 30,028 : x
2. Step 2: Convert to fraction form
   19,912/30,028 = 30,028/x
3. Step 3: Cross multiply
   19,912x = 30,028 × 30,028
4. Step 4: Simplify right side
   19,912x = 901,680,784
5. Step 5: Solve for x
   x = 901,680,784/19,912
6. Step 6: Final answer
   x = 45,283.29