Finding the Third Proportional to 805,186 and 1,645,328

Step by Step Solution

1. Step 1: Write the proportion equation
   805,186 : 1,645,328 = 1,645,328 : x
2. Step 2: Convert to fraction form
   805,186/1,645,328 = 1,645,328/x
3. Step 3: Cross multiply
   805,186x = 1,645,328 × 1,645,328
4. Step 4: Simplify right side
   805,186x = 2,707,104,227,584
5. Step 5: Solve for x
   x = 2,707,104,227,584/805,186
6. Step 6: Final answer
   x = 3,362,085.56