Finding the Third Proportional to 847,584 and 1,764,864

Step by Step Solution

1. Step 1: Write the proportion equation
   847,584 : 1,764,864 = 1,764,864 : x
2. Step 2: Convert to fraction form
   847,584/1,764,864 = 1,764,864/x
3. Step 3: Cross multiply
   847,584x = 1,764,864 × 1,764,864
4. Step 4: Simplify right side
   847,584x = 3,114,744,938,496
5. Step 5: Solve for x
   x = 3,114,744,938,496/847,584
6. Step 6: Final answer
   x = 3,674,851.03