Finding the Third Proportional to 1,272,542 and 2,744,342

Step by Step Solution

1. Step 1: Write the proportion equation
   1,272,542 : 2,744,342 = 2,744,342 : x
2. Step 2: Convert to fraction form
   1,272,542/2,744,342 = 2,744,342/x
3. Step 3: Cross multiply
   1,272,542x = 2,744,342 × 2,744,342
4. Step 4: Simplify right side
   1,272,542x = 7,531,413,012,964
5. Step 5: Solve for x
   x = 7,531,413,012,964/1,272,542
6. Step 6: Final answer
   x = 5,918,400.35