Finding the Third Proportional to 543,948 and 764,648

Step by Step Solution

1. Step 1: Write the proportion equation
   543,948 : 764,648 = 764,648 : x
2. Step 2: Convert to fraction form
   543,948/764,648 = 764,648/x
3. Step 3: Cross multiply
   543,948x = 764,648 × 764,648
4. Step 4: Simplify right side
   543,948x = 584,686,563,904
5. Step 5: Solve for x
   x = 584,686,563,904/543,948
6. Step 6: Final answer
   x = 1,074,894.23