Finding the Third Proportional to 249,147 and 584,905.50

Step by Step Solution

1. Step 1: Write the proportion equation
   249,147 : 584,905.50 = 584,905.50 : x
2. Step 2: Convert to fraction form
   249,147/584,905.50 = 584,905.50/x
3. Step 3: Cross multiply
   249,147x = 584,905.50 × 584,905.50
4. Step 4: Simplify right side
   249,147x = 342,114,443,930.25
5. Step 5: Solve for x
   x = 342,114,443,930.25/249,147
6. Step 6: Final answer
   x = 1,373,142.94