Finding the Third Proportional to 1,023,966 and 1,378,458

Step by Step Solution

1. Step 1: Write the proportion equation
   1,023,966 : 1,378,458 = 1,378,458 : x
2. Step 2: Convert to fraction form
   1,023,966/1,378,458 = 1,378,458/x
3. Step 3: Cross multiply
   1,023,966x = 1,378,458 × 1,378,458
4. Step 4: Simplify right side
   1,023,966x = 1,900,146,457,764
5. Step 5: Solve for x
   x = 1,900,146,457,764/1,023,966
6. Step 6: Final answer
   x = 1,855,673.39