Finding the Third Proportional to 685,158 and 1,043,914

Step by Step Solution

1. Step 1: Write the proportion equation
   685,158 : 1,043,914 = 1,043,914 : x
2. Step 2: Convert to fraction form
   685,158/1,043,914 = 1,043,914/x
3. Step 3: Cross multiply
   685,158x = 1,043,914 × 1,043,914
4. Step 4: Simplify right side
   685,158x = 1,089,756,439,396
5. Step 5: Solve for x
   x = 1,089,756,439,396/685,158
6. Step 6: Final answer
   x = 1,590,518.45