Finding the Third Proportional to 105,805 and 143,534

Step by Step Solution

1. Step 1: Write the proportion equation
   105,805 : 143,534 = 143,534 : x
2. Step 2: Convert to fraction form
   105,805/143,534 = 143,534/x
3. Step 3: Cross multiply
   105,805x = 143,534 × 143,534
4. Step 4: Simplify right side
   105,805x = 20,602,009,156
5. Step 5: Solve for x
   x = 20,602,009,156/105,805
6. Step 6: Final answer
   x = 194,716.78