Finding the Third Proportional to 401,704 and 891,536

Step by Step Solution

1. Step 1: Write the proportion equation
   401,704 : 891,536 = 891,536 : x
2. Step 2: Convert to fraction form
   401,704/891,536 = 891,536/x
3. Step 3: Cross multiply
   401,704x = 891,536 × 891,536
4. Step 4: Simplify right side
   401,704x = 794,836,439,296
5. Step 5: Solve for x
   x = 794,836,439,296/401,704
6. Step 6: Final answer
   x = 1,978,662.00