Finding the Third Proportional to 572,994 and 871,939.50

Step by Step Solution

1. Step 1: Write the proportion equation
   572,994 : 871,939.50 = 871,939.50 : x
2. Step 2: Convert to fraction form
   572,994/871,939.50 = 871,939.50/x
3. Step 3: Cross multiply
   572,994x = 871,939.50 × 871,939.50
4. Step 4: Simplify right side
   572,994x = 760,278,491,660.25
5. Step 5: Solve for x
   x = 760,278,491,660.25/572,994
6. Step 6: Final answer
   x = 1,326,852.45