Finding the Third Proportional to 105,163.31 and 228,070.69

Step by Step Solution

1. Step 1: Write the proportion equation
   105,163.31 : 228,070.69 = 228,070.69 : x
2. Step 2: Convert to fraction form
   105,163.31/228,070.69 = 228,070.69/x
3. Step 3: Cross multiply
   105,163.31x = 228,070.69 × 228,070.69
4. Step 4: Simplify right side
   105,163.31x = 52,016,238,496.72
5. Step 5: Solve for x
   x = 52,016,238,496.72/105,163.31
6. Step 6: Final answer
   x = 494,623.43