Finding the Third Proportional to 845,205 and 1,879,386

Step by Step Solution

1. Step 1: Write the proportion equation
   845,205 : 1,879,386 = 1,879,386 : x
2. Step 2: Convert to fraction form
   845,205/1,879,386 = 1,879,386/x
3. Step 3: Cross multiply
   845,205x = 1,879,386 × 1,879,386
4. Step 4: Simplify right side
   845,205x = 3,532,091,736,996
5. Step 5: Solve for x
   x = 3,532,091,736,996/845,205
6. Step 6: Final answer
   x = 4,178,976.39