Finding the Third Proportional to 1,261,666 and 2,736,290

Step by Step Solution

1. Step 1: Write the proportion equation
   1,261,666 : 2,736,290 = 2,736,290 : x
2. Step 2: Convert to fraction form
   1,261,666/2,736,290 = 2,736,290/x
3. Step 3: Cross multiply
   1,261,666x = 2,736,290 × 2,736,290
4. Step 4: Simplify right side
   1,261,666x = 7,487,282,964,100
5. Step 5: Solve for x
   x = 7,487,282,964,100/1,261,666
6. Step 6: Final answer
   x = 5,934,441.42