Finding the Third Proportional to 99,872 and 150,872

Step by Step Solution

1. Step 1: Write the proportion equation
   99,872 : 150,872 = 150,872 : x
2. Step 2: Convert to fraction form
   99,872/150,872 = 150,872/x
3. Step 3: Cross multiply
   99,872x = 150,872 × 150,872
4. Step 4: Simplify right side
   99,872x = 22,762,360,384
5. Step 5: Solve for x
   x = 22,762,360,384/99,872
6. Step 6: Final answer
   x = 227,915.34