Finding the Third Proportional to 858,964 and 1,831,679

Step by Step Solution

1. Step 1: Write the proportion equation
   858,964 : 1,831,679 = 1,831,679 : x
2. Step 2: Convert to fraction form
   858,964/1,831,679 = 1,831,679/x
3. Step 3: Cross multiply
   858,964x = 1,831,679 × 1,831,679
4. Step 4: Simplify right side
   858,964x = 3,355,047,959,041
5. Step 5: Solve for x
   x = 3,355,047,959,041/858,964
6. Step 6: Final answer
   x = 3,905,923.83