Finding the Third Proportional to 1,809,128 and 2,813,280

Step by Step Solution

1. Step 1: Write the proportion equation
   1,809,128 : 2,813,280 = 2,813,280 : x
2. Step 2: Convert to fraction form
   1,809,128/2,813,280 = 2,813,280/x
3. Step 3: Cross multiply
   1,809,128x = 2,813,280 × 2,813,280
4. Step 4: Simplify right side
   1,809,128x = 7,914,544,358,400
5. Step 5: Solve for x
   x = 7,914,544,358,400/1,809,128
6. Step 6: Final answer
   x = 4,374,784.07