Finding the Third Proportional to 58,327.31 and 122,878.69

Step by Step Solution

1. Step 1: Write the proportion equation
   58,327.31 : 122,878.69 = 122,878.69 : x
2. Step 2: Convert to fraction form
   58,327.31/122,878.69 = 122,878.69/x
3. Step 3: Cross multiply
   58,327.31x = 122,878.69 × 122,878.69
4. Step 4: Simplify right side
   58,327.31x = 15,099,171,841.72
5. Step 5: Solve for x
   x = 15,099,171,841.72/58,327.31
6. Step 6: Final answer
   x = 258,869.66