Finding the Third Proportional to 249,396.75 and 516,528

Step by Step Solution

1. Step 1: Write the proportion equation
   249,396.75 : 516,528 = 516,528 : x
2. Step 2: Convert to fraction form
   249,396.75/516,528 = 516,528/x
3. Step 3: Cross multiply
   249,396.75x = 516,528 × 516,528
4. Step 4: Simplify right side
   249,396.75x = 266,801,174,784
5. Step 5: Solve for x
   x = 266,801,174,784/249,396.75
6. Step 6: Final answer
   x = 1,069,786.09