Finding the Third Proportional to 872,376 and 1,878,384

Step by Step Solution

1. Step 1: Write the proportion equation
   872,376 : 1,878,384 = 1,878,384 : x
2. Step 2: Convert to fraction form
   872,376/1,878,384 = 1,878,384/x
3. Step 3: Cross multiply
   872,376x = 1,878,384 × 1,878,384
4. Step 4: Simplify right side
   872,376x = 3,528,326,451,456
5. Step 5: Solve for x
   x = 3,528,326,451,456/872,376
6. Step 6: Final answer
   x = 4,044,501.97