Finding the Third Proportional to 845,214 and 1,879,389

Step by Step Solution

1. Step 1: Write the proportion equation
   845,214 : 1,879,389 = 1,879,389 : x
2. Step 2: Convert to fraction form
   845,214/1,879,389 = 1,879,389/x
3. Step 3: Cross multiply
   845,214x = 1,879,389 × 1,879,389
4. Step 4: Simplify right side
   845,214x = 3,532,103,013,321
5. Step 5: Solve for x
   x = 3,532,103,013,321/845,214
6. Step 6: Final answer
   x = 4,178,945.23