Finding the Third Proportional to 1,391,322 and 1,984,920

Step by Step Solution

1. Step 1: Write the proportion equation
   1,391,322 : 1,984,920 = 1,984,920 : x
2. Step 2: Convert to fraction form
   1,391,322/1,984,920 = 1,984,920/x
3. Step 3: Cross multiply
   1,391,322x = 1,984,920 × 1,984,920
4. Step 4: Simplify right side
   1,391,322x = 3,939,907,406,400
5. Step 5: Solve for x
   x = 3,939,907,406,400/1,391,322
6. Step 6: Final answer
   x = 2,831,772.52