Finding the Third Proportional to 162,115.88 and 258,983.72

Step by Step Solution

1. Step 1: Write the proportion equation
   162,115.88 : 258,983.72 = 258,983.72 : x
2. Step 2: Convert to fraction form
   162,115.88/258,983.72 = 258,983.72/x
3. Step 3: Cross multiply
   162,115.88x = 258,983.72 × 258,983.72
4. Step 4: Simplify right side
   162,115.88x = 67,072,566,577.58
5. Step 5: Solve for x
   x = 67,072,566,577.58/162,115.88
6. Step 6: Final answer
   x = 413,732.26