Finding the Third Proportional to 845,206 and 1,879,388

Step by Step Solution

1. Step 1: Write the proportion equation
   845,206 : 1,879,388 = 1,879,388 : x
2. Step 2: Convert to fraction form
   845,206/1,879,388 = 1,879,388/x
3. Step 3: Cross multiply
   845,206x = 1,879,388 × 1,879,388
4. Step 4: Simplify right side
   845,206x = 3,532,099,254,544
5. Step 5: Solve for x
   x = 3,532,099,254,544/845,206
6. Step 6: Final answer
   x = 4,178,980.34