Finding the Third Proportional to 288,354.94 and 443,827.69

Step by Step Solution

1. Step 1: Write the proportion equation
   288,354.94 : 443,827.69 = 443,827.69 : x
2. Step 2: Convert to fraction form
   288,354.94/443,827.69 = 443,827.69/x
3. Step 3: Cross multiply
   288,354.94x = 443,827.69 × 443,827.69
4. Step 4: Simplify right side
   288,354.94x = 196,983,016,191.60
5. Step 5: Solve for x
   x = 196,983,016,191.60/288,354.94
6. Step 6: Final answer
   x = 683,126.91