Finding the Third Proportional to 162,912 and 238,536

Step by Step Solution

1. Step 1: Write the proportion equation
   162,912 : 238,536 = 238,536 : x
2. Step 2: Convert to fraction form
   162,912/238,536 = 238,536/x
3. Step 3: Cross multiply
   162,912x = 238,536 × 238,536
4. Step 4: Simplify right side
   162,912x = 56,899,423,296
5. Step 5: Solve for x
   x = 56,899,423,296/162,912
6. Step 6: Final answer
   x = 349,264.78