Finding the Third Proportional to 105,087 and 144,505.50

Step by Step Solution

1. Step 1: Write the proportion equation
   105,087 : 144,505.50 = 144,505.50 : x
2. Step 2: Convert to fraction form
   105,087/144,505.50 = 144,505.50/x
3. Step 3: Cross multiply
   105,087x = 144,505.50 × 144,505.50
4. Step 4: Simplify right side
   105,087x = 20,881,839,530.25
5. Step 5: Solve for x
   x = 20,881,839,530.25/105,087
6. Step 6: Final answer
   x = 198,710.02