Finding the Third Proportional to 398,761.50 and 875,024

Step by Step Solution

1. Step 1: Write the proportion equation
   398,761.50 : 875,024 = 875,024 : x
2. Step 2: Convert to fraction form
   398,761.50/875,024 = 875,024/x
3. Step 3: Cross multiply
   398,761.50x = 875,024 × 875,024
4. Step 4: Simplify right side
   398,761.50x = 765,667,000,576
5. Step 5: Solve for x
   x = 765,667,000,576/398,761.50
6. Step 6: Final answer
   x = 1,920,112.65