Finding the Third Proportional to 156,736 and 238,772

Step by Step Solution

1. Step 1: Write the proportion equation
   156,736 : 238,772 = 238,772 : x
2. Step 2: Convert to fraction form
   156,736/238,772 = 238,772/x
3. Step 3: Cross multiply
   156,736x = 238,772 × 238,772
4. Step 4: Simplify right side
   156,736x = 57,012,067,984
5. Step 5: Solve for x
   x = 57,012,067,984/156,736
6. Step 6: Final answer
   x = 363,745.84