Finding the Third Proportional to 142,068.38 and 236,749.50

Step by Step Solution

1. Step 1: Write the proportion equation
   142,068.38 : 236,749.50 = 236,749.50 : x
2. Step 2: Convert to fraction form
   142,068.38/236,749.50 = 236,749.50/x
3. Step 3: Cross multiply
   142,068.38x = 236,749.50 × 236,749.50
4. Step 4: Simplify right side
   142,068.38x = 56,050,325,750.25
5. Step 5: Solve for x
   x = 56,050,325,750.25/142,068.38
6. Step 6: Final answer
   x = 394,530.63