Finding the Third Proportional to 99,244 and 144,484

Step by Step Solution

1. Step 1: Write the proportion equation
   99,244 : 144,484 = 144,484 : x
2. Step 2: Convert to fraction form
   99,244/144,484 = 144,484/x
3. Step 3: Cross multiply
   99,244x = 144,484 × 144,484
4. Step 4: Simplify right side
   99,244x = 20,875,626,256
5. Step 5: Solve for x
   x = 20,875,626,256/99,244
6. Step 6: Final answer
   x = 210,346.48