Finding the Third Proportional to 1,272,516 and 2,744,286

Step by Step Solution

1. Step 1: Write the proportion equation
   1,272,516 : 2,744,286 = 2,744,286 : x
2. Step 2: Convert to fraction form
   1,272,516/2,744,286 = 2,744,286/x
3. Step 3: Cross multiply
   1,272,516x = 2,744,286 × 2,744,286
4. Step 4: Simplify right side
   1,272,516x = 7,531,105,649,796
5. Step 5: Solve for x
   x = 7,531,105,649,796/1,272,516
6. Step 6: Final answer
   x = 5,918,279.73