Finding the Third Proportional to 156,780 and 238,452

Step by Step Solution

1. Step 1: Write the proportion equation
   156,780 : 238,452 = 238,452 : x
2. Step 2: Convert to fraction form
   156,780/238,452 = 238,452/x
3. Step 3: Cross multiply
   156,780x = 238,452 × 238,452
4. Step 4: Simplify right side
   156,780x = 56,859,356,304
5. Step 5: Solve for x
   x = 56,859,356,304/156,780
6. Step 6: Final answer
   x = 362,669.70