Finding the Third Proportional to 1,065,640 and 2,283,280

Step by Step Solution

1. Step 1: Write the proportion equation
   1,065,640 : 2,283,280 = 2,283,280 : x
2. Step 2: Convert to fraction form
   1,065,640/2,283,280 = 2,283,280/x
3. Step 3: Cross multiply
   1,065,640x = 2,283,280 × 2,283,280
4. Step 4: Simplify right side
   1,065,640x = 5,213,367,558,400
5. Step 5: Solve for x
   x = 5,213,367,558,400/1,065,640
6. Step 6: Final answer
   x = 4,892,240.87