Finding the Third Proportional to 681,380 and 1,433,368

Step by Step Solution

1. Step 1: Write the proportion equation
   681,380 : 1,433,368 = 1,433,368 : x
2. Step 2: Convert to fraction form
   681,380/1,433,368 = 1,433,368/x
3. Step 3: Cross multiply
   681,380x = 1,433,368 × 1,433,368
4. Step 4: Simplify right side
   681,380x = 2,054,543,823,424
5. Step 5: Solve for x
   x = 2,054,543,823,424/681,380
6. Step 6: Final answer
   x = 3,015,268.75