Finding the Third Proportional to 1,587,140 and 2,268,706

Step by Step Solution

1. Step 1: Write the proportion equation
   1,587,140 : 2,268,706 = 2,268,706 : x
2. Step 2: Convert to fraction form
   1,587,140/2,268,706 = 2,268,706/x
3. Step 3: Cross multiply
   1,587,140x = 2,268,706 × 2,268,706
4. Step 4: Simplify right side
   1,587,140x = 5,147,026,914,436
5. Step 5: Solve for x
   x = 5,147,026,914,436/1,587,140
6. Step 6: Final answer
   x = 3,242,957.09