Finding the Third Proportional to 401,035.50 and 891,729

Step by Step Solution

1. Step 1: Write the proportion equation
   401,035.50 : 891,729 = 891,729 : x
2. Step 2: Convert to fraction form
   401,035.50/891,729 = 891,729/x
3. Step 3: Cross multiply
   401,035.50x = 891,729 × 891,729
4. Step 4: Simplify right side
   401,035.50x = 795,180,609,441
5. Step 5: Solve for x
   x = 795,180,609,441/401,035.50
6. Step 6: Final answer
   x = 1,982,818.50