Finding the Third Proportional to 72,698 and 156,886

Step by Step Solution

1. Step 1: Write the proportion equation
   72,698 : 156,886 = 156,886 : x
2. Step 2: Convert to fraction form
   72,698/156,886 = 156,886/x
3. Step 3: Cross multiply
   72,698x = 156,886 × 156,886
4. Step 4: Simplify right side
   72,698x = 24,613,216,996
5. Step 5: Solve for x
   x = 24,613,216,996/72,698
6. Step 6: Final answer
   x = 338,568.01