Finding the Third Proportional to 817,573.50 and 1,276,020

Step by Step Solution

1. Step 1: Write the proportion equation
   817,573.50 : 1,276,020 = 1,276,020 : x
2. Step 2: Convert to fraction form
   817,573.50/1,276,020 = 1,276,020/x
3. Step 3: Cross multiply
   817,573.50x = 1,276,020 × 1,276,020
4. Step 4: Simplify right side
   817,573.50x = 1,628,227,040,400
5. Step 5: Solve for x
   x = 1,628,227,040,400/817,573.50
6. Step 6: Final answer
   x = 1,991,535.98