Finding the Third Proportional to 858,807 and 1,835,711

Step by Step Solution

1. Step 1: Write the proportion equation
   858,807 : 1,835,711 = 1,835,711 : x
2. Step 2: Convert to fraction form
   858,807/1,835,711 = 1,835,711/x
3. Step 3: Cross multiply
   858,807x = 1,835,711 × 1,835,711
4. Step 4: Simplify right side
   858,807x = 3,369,834,875,521
5. Step 5: Solve for x
   x = 3,369,834,875,521/858,807
6. Step 6: Final answer
   x = 3,923,855.86