Finding the Third Proportional to 490,191 and 757,125.75

Step by Step Solution

1. Step 1: Write the proportion equation
   490,191 : 757,125.75 = 757,125.75 : x
2. Step 2: Convert to fraction form
   490,191/757,125.75 = 757,125.75/x
3. Step 3: Cross multiply
   490,191x = 757,125.75 × 757,125.75
4. Step 4: Simplify right side
   490,191x = 573,239,401,313.06
5. Step 5: Solve for x
   x = 573,239,401,313.06/490,191
6. Step 6: Final answer
   x = 1,169,420.49