Finding the Third Proportional to 404,084 and 879,106

Step by Step Solution

1. Step 1: Write the proportion equation
   404,084 : 879,106 = 879,106 : x
2. Step 2: Convert to fraction form
   404,084/879,106 = 879,106/x
3. Step 3: Cross multiply
   404,084x = 879,106 × 879,106
4. Step 4: Simplify right side
   404,084x = 772,827,359,236
5. Step 5: Solve for x
   x = 772,827,359,236/404,084
6. Step 6: Final answer
   x = 1,912,541.35