Finding the Third Proportional to 859,899 and 1,837,086

Step by Step Solution

1. Step 1: Write the proportion equation
   859,899 : 1,837,086 = 1,837,086 : x
2. Step 2: Convert to fraction form
   859,899/1,837,086 = 1,837,086/x
3. Step 3: Cross multiply
   859,899x = 1,837,086 × 1,837,086
4. Step 4: Simplify right side
   859,899x = 3,374,884,971,396
5. Step 5: Solve for x
   x = 3,374,884,971,396/859,899
6. Step 6: Final answer
   x = 3,924,745.78