Finding the Third Proportional to 1,838,272 and 2,647,680

Step by Step Solution

1. Step 1: Write the proportion equation
   1,838,272 : 2,647,680 = 2,647,680 : x
2. Step 2: Convert to fraction form
   1,838,272/2,647,680 = 2,647,680/x
3. Step 3: Cross multiply
   1,838,272x = 2,647,680 × 2,647,680
4. Step 4: Simplify right side
   1,838,272x = 7,010,209,382,400
5. Step 5: Solve for x
   x = 7,010,209,382,400/1,838,272
6. Step 6: Final answer
   x = 3,813,477.76