Finding the Third Proportional to 401,496 and 891,564

Step by Step Solution

1. Step 1: Write the proportion equation
   401,496 : 891,564 = 891,564 : x
2. Step 2: Convert to fraction form
   401,496/891,564 = 891,564/x
3. Step 3: Cross multiply
   401,496x = 891,564 × 891,564
4. Step 4: Simplify right side
   401,496x = 794,886,366,096
5. Step 5: Solve for x
   x = 794,886,366,096/401,496
6. Step 6: Final answer
   x = 1,979,811.42