Finding the Third Proportional to 681,378 and 1,433,364

Step by Step Solution

1. Step 1: Write the proportion equation
   681,378 : 1,433,364 = 1,433,364 : x
2. Step 2: Convert to fraction form
   681,378/1,433,364 = 1,433,364/x
3. Step 3: Cross multiply
   681,378x = 1,433,364 × 1,433,364
4. Step 4: Simplify right side
   681,378x = 2,054,532,356,496
5. Step 5: Solve for x
   x = 2,054,532,356,496/681,378
6. Step 6: Final answer
   x = 3,015,260.78