Finding the Third Proportional to 1,487,666 and 2,209,629

Step by Step Solution

1. Step 1: Write the proportion equation
   1,487,666 : 2,209,629 = 2,209,629 : x
2. Step 2: Convert to fraction form
   1,487,666/2,209,629 = 2,209,629/x
3. Step 3: Cross multiply
   1,487,666x = 2,209,629 × 2,209,629
4. Step 4: Simplify right side
   1,487,666x = 4,882,460,317,641
5. Step 5: Solve for x
   x = 4,882,460,317,641/1,487,666
6. Step 6: Final answer
   x = 3,281,960.01