Finding the Third Proportional to 106,709.91 and 142,735.29

Step by Step Solution

1. Step 1: Write the proportion equation
   106,709.91 : 142,735.29 = 142,735.29 : x
2. Step 2: Convert to fraction form
   106,709.91/142,735.29 = 142,735.29/x
3. Step 3: Cross multiply
   106,709.91x = 142,735.29 × 142,735.29
4. Step 4: Simplify right side
   106,709.91x = 20,373,362,743.76
5. Step 5: Solve for x
   x = 20,373,362,743.76/106,709.91
6. Step 6: Final answer
   x = 190,922.88