Finding the Third Proportional to 99,444 and 144,470

Step by Step Solution

1. Step 1: Write the proportion equation
   99,444 : 144,470 = 144,470 : x
2. Step 2: Convert to fraction form
   99,444/144,470 = 144,470/x
3. Step 3: Cross multiply
   99,444x = 144,470 × 144,470
4. Step 4: Simplify right side
   99,444x = 20,871,580,900
5. Step 5: Solve for x
   x = 20,871,580,900/99,444
6. Step 6: Final answer
   x = 209,882.76