Finding the Third Proportional to 156,742 and 238,781

Step by Step Solution

1. Step 1: Write the proportion equation
   156,742 : 238,781 = 238,781 : x
2. Step 2: Convert to fraction form
   156,742/238,781 = 238,781/x
3. Step 3: Cross multiply
   156,742x = 238,781 × 238,781
4. Step 4: Simplify right side
   156,742x = 57,016,365,961
5. Step 5: Solve for x
   x = 57,016,365,961/156,742
6. Step 6: Final answer
   x = 363,759.34