Finding the Third Proportional to 852,455 and 1,809,988

Step by Step Solution

1. Step 1: Write the proportion equation
   852,455 : 1,809,988 = 1,809,988 : x
2. Step 2: Convert to fraction form
   852,455/1,809,988 = 1,809,988/x
3. Step 3: Cross multiply
   852,455x = 1,809,988 × 1,809,988
4. Step 4: Simplify right side
   852,455x = 3,276,056,560,144
5. Step 5: Solve for x
   x = 3,276,056,560,144/852,455
6. Step 6: Final answer
   x = 3,843,084.46