Finding the Third Proportional to 543,864 and 1,166,458

Step by Step Solution

1. Step 1: Write the proportion equation
   543,864 : 1,166,458 = 1,166,458 : x
2. Step 2: Convert to fraction form
   543,864/1,166,458 = 1,166,458/x
3. Step 3: Cross multiply
   543,864x = 1,166,458 × 1,166,458
4. Step 4: Simplify right side
   543,864x = 1,360,624,265,764
5. Step 5: Solve for x
   x = 1,360,624,265,764/543,864
6. Step 6: Final answer
   x = 2,501,772.99