Finding the Third Proportional to 858,699 and 1,865,022

Step by Step Solution

1. Step 1: Write the proportion equation
   858,699 : 1,865,022 = 1,865,022 : x
2. Step 2: Convert to fraction form
   858,699/1,865,022 = 1,865,022/x
3. Step 3: Cross multiply
   858,699x = 1,865,022 × 1,865,022
4. Step 4: Simplify right side
   858,699x = 3,478,307,060,484
5. Step 5: Solve for x
   x = 3,478,307,060,484/858,699
6. Step 6: Final answer
   x = 4,050,670.91