Finding the Third Proportional to 809,888 and 1,772,304

Step by Step Solution

1. Step 1: Write the proportion equation
   809,888 : 1,772,304 = 1,772,304 : x
2. Step 2: Convert to fraction form
   809,888/1,772,304 = 1,772,304/x
3. Step 3: Cross multiply
   809,888x = 1,772,304 × 1,772,304
4. Step 4: Simplify right side
   809,888x = 3,141,061,468,416
5. Step 5: Solve for x
   x = 3,141,061,468,416/809,888
6. Step 6: Final answer
   x = 3,878,389.94