Finding the Third Proportional to 842,372 and 1,988,554

Step by Step Solution

1. Step 1: Write the proportion equation
   842,372 : 1,988,554 = 1,988,554 : x
2. Step 2: Convert to fraction form
   842,372/1,988,554 = 1,988,554/x
3. Step 3: Cross multiply
   842,372x = 1,988,554 × 1,988,554
4. Step 4: Simplify right side
   842,372x = 3,954,347,010,916
5. Step 5: Solve for x
   x = 3,954,347,010,916/842,372
6. Step 6: Final answer
   x = 4,694,300.16