Finding the Third Proportional to 72,156 and 159,886

Step by Step Solution

1. Step 1: Write the proportion equation
   72,156 : 159,886 = 159,886 : x
2. Step 2: Convert to fraction form
   72,156/159,886 = 159,886/x
3. Step 3: Cross multiply
   72,156x = 159,886 × 159,886
4. Step 4: Simplify right side
   72,156x = 25,563,532,996
5. Step 5: Solve for x
   x = 25,563,532,996/72,156
6. Step 6: Final answer
   x = 354,281.46