Finding the Third Proportional to 1,280,308 and 1,982,292

Step by Step Solution

1. Step 1: Write the proportion equation
   1,280,308 : 1,982,292 = 1,982,292 : x
2. Step 2: Convert to fraction form
   1,280,308/1,982,292 = 1,982,292/x
3. Step 3: Cross multiply
   1,280,308x = 1,982,292 × 1,982,292
4. Step 4: Simplify right side
   1,280,308x = 3,929,481,573,264
5. Step 5: Solve for x
   x = 3,929,481,573,264/1,280,308
6. Step 6: Final answer
   x = 3,069,168.96