Finding the Third Proportional to 681,386 and 1,433,380

Step by Step Solution

1. Step 1: Write the proportion equation
   681,386 : 1,433,380 = 1,433,380 : x
2. Step 2: Convert to fraction form
   681,386/1,433,380 = 1,433,380/x
3. Step 3: Cross multiply
   681,386x = 1,433,380 × 1,433,380
4. Step 4: Simplify right side
   681,386x = 2,054,578,224,400
5. Step 5: Solve for x
   x = 2,054,578,224,400/681,386
6. Step 6: Final answer
   x = 3,015,292.69