Finding the Third Proportional to 1,272,540 and 2,744,340

Step by Step Solution

1. Step 1: Write the proportion equation
   1,272,540 : 2,744,340 = 2,744,340 : x
2. Step 2: Convert to fraction form
   1,272,540/2,744,340 = 2,744,340/x
3. Step 3: Cross multiply
   1,272,540x = 2,744,340 × 2,744,340
4. Step 4: Simplify right side
   1,272,540x = 7,531,402,035,600
5. Step 5: Solve for x
   x = 7,531,402,035,600/1,272,540
6. Step 6: Final answer
   x = 5,918,401.02