Finding the Third Proportional to 99,812 and 150,123

Step by Step Solution

1. Step 1: Write the proportion equation
   99,812 : 150,123 = 150,123 : x
2. Step 2: Convert to fraction form
   99,812/150,123 = 150,123/x
3. Step 3: Cross multiply
   99,812x = 150,123 × 150,123
4. Step 4: Simplify right side
   99,812x = 22,536,915,129
5. Step 5: Solve for x
   x = 22,536,915,129/99,812
6. Step 6: Final answer
   x = 225,793.64