Finding the Third Proportional to 103,477.50 and 225,909

Step by Step Solution

1. Step 1: Write the proportion equation
   103,477.50 : 225,909 = 225,909 : x
2. Step 2: Convert to fraction form
   103,477.50/225,909 = 225,909/x
3. Step 3: Cross multiply
   103,477.50x = 225,909 × 225,909
4. Step 4: Simplify right side
   103,477.50x = 51,034,876,281
5. Step 5: Solve for x
   x = 51,034,876,281/103,477.50
6. Step 6: Final answer
   x = 493,197.81