Finding the Third Proportional to 422,523.50 and 879,994

Step by Step Solution

1. Step 1: Write the proportion equation
   422,523.50 : 879,994 = 879,994 : x
2. Step 2: Convert to fraction form
   422,523.50/879,994 = 879,994/x
3. Step 3: Cross multiply
   422,523.50x = 879,994 × 879,994
4. Step 4: Simplify right side
   422,523.50x = 774,389,440,036
5. Step 5: Solve for x
   x = 774,389,440,036/422,523.50
6. Step 6: Final answer
   x = 1,832,772.47