Finding the Third Proportional to 501,999 and 744,358.50

Step by Step Solution

1. Step 1: Write the proportion equation
   501,999 : 744,358.50 = 744,358.50 : x
2. Step 2: Convert to fraction form
   501,999/744,358.50 = 744,358.50/x
3. Step 3: Cross multiply
   501,999x = 744,358.50 × 744,358.50
4. Step 4: Simplify right side
   501,999x = 554,069,576,522.25
5. Step 5: Solve for x
   x = 554,069,576,522.25/501,999
6. Step 6: Final answer
   x = 1,103,726.45