Finding the Third Proportional to 996,280 and 1,556,636

Step by Step Solution

1. Step 1: Write the proportion equation
   996,280 : 1,556,636 = 1,556,636 : x
2. Step 2: Convert to fraction form
   996,280/1,556,636 = 1,556,636/x
3. Step 3: Cross multiply
   996,280x = 1,556,636 × 1,556,636
4. Step 4: Simplify right side
   996,280x = 2,423,115,636,496
5. Step 5: Solve for x
   x = 2,423,115,636,496/996,280
6. Step 6: Final answer
   x = 2,432,163.28