Finding the Third Proportional to 507,699 and 756,004.50

Step by Step Solution

1. Step 1: Write the proportion equation
   507,699 : 756,004.50 = 756,004.50 : x
2. Step 2: Convert to fraction form
   507,699/756,004.50 = 756,004.50/x
3. Step 3: Cross multiply
   507,699x = 756,004.50 × 756,004.50
4. Step 4: Simplify right side
   507,699x = 571,542,804,020.25
5. Step 5: Solve for x
   x = 571,542,804,020.25/507,699
6. Step 6: Final answer
   x = 1,125,751.29