Finding the Third Proportional to 404,506 and 879,588

Step by Step Solution

1. Step 1: Write the proportion equation
   404,506 : 879,588 = 879,588 : x
2. Step 2: Convert to fraction form
   404,506/879,588 = 879,588/x
3. Step 3: Cross multiply
   404,506x = 879,588 × 879,588
4. Step 4: Simplify right side
   404,506x = 773,675,049,744
5. Step 5: Solve for x
   x = 773,675,049,744/404,506
6. Step 6: Final answer
   x = 1,912,641.72