Finding the Third Proportional to 105,172.88 and 228,091.50

Step by Step Solution

1. Step 1: Write the proportion equation
   105,172.88 : 228,091.50 = 228,091.50 : x
2. Step 2: Convert to fraction form
   105,172.88/228,091.50 = 228,091.50/x
3. Step 3: Cross multiply
   105,172.88x = 228,091.50 × 228,091.50
4. Step 4: Simplify right side
   105,172.88x = 52,025,732,372.25
5. Step 5: Solve for x
   x = 52,025,732,372.25/105,172.88
6. Step 6: Final answer
   x = 494,668.73