Finding the Third Proportional to 873,438 and 1,851,858

Step by Step Solution

1. Step 1: Write the proportion equation
   873,438 : 1,851,858 = 1,851,858 : x
2. Step 2: Convert to fraction form
   873,438/1,851,858 = 1,851,858/x
3. Step 3: Cross multiply
   873,438x = 1,851,858 × 1,851,858
4. Step 4: Simplify right side
   873,438x = 3,429,378,052,164
5. Step 5: Solve for x
   x = 3,429,378,052,164/873,438
6. Step 6: Final answer
   x = 3,926,298.21