Finding the Third Proportional to 805,200 and 1,645,344

Step by Step Solution

1. Step 1: Write the proportion equation
   805,200 : 1,645,344 = 1,645,344 : x
2. Step 2: Convert to fraction form
   805,200/1,645,344 = 1,645,344/x
3. Step 3: Cross multiply
   805,200x = 1,645,344 × 1,645,344
4. Step 4: Simplify right side
   805,200x = 2,707,156,878,336
5. Step 5: Solve for x
   x = 2,707,156,878,336/805,200
6. Step 6: Final answer
   x = 3,362,092.50