Finding the Third Proportional to 99,810 and 150,120

Step by Step Solution

1. Step 1: Write the proportion equation
   99,810 : 150,120 = 150,120 : x
2. Step 2: Convert to fraction form
   99,810/150,120 = 150,120/x
3. Step 3: Cross multiply
   99,810x = 150,120 × 150,120
4. Step 4: Simplify right side
   99,810x = 22,536,014,400
5. Step 5: Solve for x
   x = 22,536,014,400/99,810
6. Step 6: Final answer
   x = 225,789.14