Finding the Third Proportional to 1,391,436 and 1,984,446

Step by Step Solution

1. Step 1: Write the proportion equation
   1,391,436 : 1,984,446 = 1,984,446 : x
2. Step 2: Convert to fraction form
   1,391,436/1,984,446 = 1,984,446/x
3. Step 3: Cross multiply
   1,391,436x = 1,984,446 × 1,984,446
4. Step 4: Simplify right side
   1,391,436x = 3,938,025,926,916
5. Step 5: Solve for x
   x = 3,938,025,926,916/1,391,436
6. Step 6: Final answer
   x = 2,830,188.33