Finding the Third Proportional to 1,280,310 and 1,982,295

Step by Step Solution

1. Step 1: Write the proportion equation
   1,280,310 : 1,982,295 = 1,982,295 : x
2. Step 2: Convert to fraction form
   1,280,310/1,982,295 = 1,982,295/x
3. Step 3: Cross multiply
   1,280,310x = 1,982,295 × 1,982,295
4. Step 4: Simplify right side
   1,280,310x = 3,929,493,467,025
5. Step 5: Solve for x
   x = 3,929,493,467,025/1,280,310
6. Step 6: Final answer
   x = 3,069,173.46