Finding the Third Proportional to 524,748.38 and 743,139.56

Step by Step Solution

1. Step 1: Write the proportion equation
   524,748.38 : 743,139.56 = 743,139.56 : x
2. Step 2: Convert to fraction form
   524,748.38/743,139.56 = 743,139.56/x
3. Step 3: Cross multiply
   524,748.38x = 743,139.56 × 743,139.56
4. Step 4: Simplify right side
   524,748.38x = 552,256,409,352.69
5. Step 5: Solve for x
   x = 552,256,409,352.69/524,748.38
6. Step 6: Final answer
   x = 1,052,421.38