Finding the Third Proportional to 803,838 and 1,071,570

Step by Step Solution

1. Step 1: Write the proportion equation
   803,838 : 1,071,570 = 1,071,570 : x
2. Step 2: Convert to fraction form
   803,838/1,071,570 = 1,071,570/x
3. Step 3: Cross multiply
   803,838x = 1,071,570 × 1,071,570
4. Step 4: Simplify right side
   803,838x = 1,148,262,264,900
5. Step 5: Solve for x
   x = 1,148,262,264,900/803,838
6. Step 6: Final answer
   x = 1,428,474.72