Finding the Third Proportional to 872,398 and 1,882,280

Step by Step Solution

1. Step 1: Write the proportion equation
   872,398 : 1,882,280 = 1,882,280 : x
2. Step 2: Convert to fraction form
   872,398/1,882,280 = 1,882,280/x
3. Step 3: Cross multiply
   872,398x = 1,882,280 × 1,882,280
4. Step 4: Simplify right side
   872,398x = 3,542,977,998,400
5. Step 5: Solve for x
   x = 3,542,977,998,400/872,398
6. Step 6: Final answer
   x = 4,061,194.54