Finding the Third Proportional to 1,017,244 and 2,209,280

Step by Step Solution

1. Step 1: Write the proportion equation
   1,017,244 : 2,209,280 = 2,209,280 : x
2. Step 2: Convert to fraction form
   1,017,244/2,209,280 = 2,209,280/x
3. Step 3: Cross multiply
   1,017,244x = 2,209,280 × 2,209,280
4. Step 4: Simplify right side
   1,017,244x = 4,880,918,118,400
5. Step 5: Solve for x
   x = 4,880,918,118,400/1,017,244
6. Step 6: Final answer
   x = 4,798,178.33