Finding the Third Proportional to 510,158 and 762,570

Step by Step Solution

1. Step 1: Write the proportion equation
   510,158 : 762,570 = 762,570 : x
2. Step 2: Convert to fraction form
   510,158/762,570 = 762,570/x
3. Step 3: Cross multiply
   510,158x = 762,570 × 762,570
4. Step 4: Simplify right side
   510,158x = 581,513,004,900
5. Step 5: Solve for x
   x = 581,513,004,900/510,158
6. Step 6: Final answer
   x = 1,139,868.44