Finding the Third Proportional to 105,816 and 143,550

Step by Step Solution

1. Step 1: Write the proportion equation
   105,816 : 143,550 = 143,550 : x
2. Step 2: Convert to fraction form
   105,816/143,550 = 143,550/x
3. Step 3: Cross multiply
   105,816x = 143,550 × 143,550
4. Step 4: Simplify right side
   105,816x = 20,606,602,500
5. Step 5: Solve for x
   x = 20,606,602,500/105,816
6. Step 6: Final answer
   x = 194,739.95