Finding the Third Proportional to 1,009,588 and 2,209,268

Step by Step Solution

1. Step 1: Write the proportion equation
   1,009,588 : 2,209,268 = 2,209,268 : x
2. Step 2: Convert to fraction form
   1,009,588/2,209,268 = 2,209,268/x
3. Step 3: Cross multiply
   1,009,588x = 2,209,268 × 2,209,268
4. Step 4: Simplify right side
   1,009,588x = 4,880,865,095,824
5. Step 5: Solve for x
   x = 4,880,865,095,824/1,009,588
6. Step 6: Final answer
   x = 4,834,511.80