Finding the Third Proportional to 809,635.50 and 1,188,191.25

Step by Step Solution

1. Step 1: Write the proportion equation
   809,635.50 : 1,188,191.25 = 1,188,191.25 : x
2. Step 2: Convert to fraction form
   809,635.50/1,188,191.25 = 1,188,191.25/x
3. Step 3: Cross multiply
   809,635.50x = 1,188,191.25 × 1,188,191.25
4. Step 4: Simplify right side
   809,635.50x = 1,411,798,446,576.56
5. Step 5: Solve for x
   x = 1,411,798,446,576.56/809,635.50
6. Step 6: Final answer
   x = 1,743,745.73