Finding the Third Proportional to 142,077 and 236,761.50

Step by Step Solution

1. Step 1: Write the proportion equation
   142,077 : 236,761.50 = 236,761.50 : x
2. Step 2: Convert to fraction form
   142,077/236,761.50 = 236,761.50/x
3. Step 3: Cross multiply
   142,077x = 236,761.50 × 236,761.50
4. Step 4: Simplify right side
   142,077x = 56,056,007,882.25
5. Step 5: Solve for x
   x = 56,056,007,882.25/142,077
6. Step 6: Final answer
   x = 394,546.67