Finding the Third Proportional to 1,284,498 and 2,000,280

Step by Step Solution

1. Step 1: Write the proportion equation
   1,284,498 : 2,000,280 = 2,000,280 : x
2. Step 2: Convert to fraction form
   1,284,498/2,000,280 = 2,000,280/x
3. Step 3: Cross multiply
   1,284,498x = 2,000,280 × 2,000,280
4. Step 4: Simplify right side
   1,284,498x = 4,001,120,078,400
5. Step 5: Solve for x
   x = 4,001,120,078,400/1,284,498
6. Step 6: Final answer
   x = 3,114,929.01