Finding the Third Proportional to 681,340 and 1,433,240

Step by Step Solution

1. Step 1: Write the proportion equation
   681,340 : 1,433,240 = 1,433,240 : x
2. Step 2: Convert to fraction form
   681,340/1,433,240 = 1,433,240/x
3. Step 3: Cross multiply
   681,340x = 1,433,240 × 1,433,240
4. Step 4: Simplify right side
   681,340x = 2,054,176,897,600
5. Step 5: Solve for x
   x = 2,054,176,897,600/681,340
6. Step 6: Final answer
   x = 3,014,907.24