Finding the Third Proportional to 1,280,295 and 1,982,276

Step by Step Solution

1. Step 1: Write the proportion equation
   1,280,295 : 1,982,276 = 1,982,276 : x
2. Step 2: Convert to fraction form
   1,280,295/1,982,276 = 1,982,276/x
3. Step 3: Cross multiply
   1,280,295x = 1,982,276 × 1,982,276
4. Step 4: Simplify right side
   1,280,295x = 3,929,418,140,176
5. Step 5: Solve for x
   x = 3,929,418,140,176/1,280,295
6. Step 6: Final answer
   x = 3,069,150.58