Finding the Third Proportional to 156,680 and 238,692

Step by Step Solution

1. Step 1: Write the proportion equation
   156,680 : 238,692 = 238,692 : x
2. Step 2: Convert to fraction form
   156,680/238,692 = 238,692/x
3. Step 3: Cross multiply
   156,680x = 238,692 × 238,692
4. Step 4: Simplify right side
   156,680x = 56,973,870,864
5. Step 5: Solve for x
   x = 56,973,870,864/156,680
6. Step 6: Final answer
   x = 363,632.06