Finding the Third Proportional to 106,722 and 142,809.75

Step by Step Solution

1. Step 1: Write the proportion equation
   106,722 : 142,809.75 = 142,809.75 : x
2. Step 2: Convert to fraction form
   106,722/142,809.75 = 142,809.75/x
3. Step 3: Cross multiply
   106,722x = 142,809.75 × 142,809.75
4. Step 4: Simplify right side
   106,722x = 20,394,624,695.06
5. Step 5: Solve for x
   x = 20,394,624,695.06/106,722
6. Step 6: Final answer
   x = 191,100.47