Finding the Third Proportional to 1,272,760 and 2,744,688

Step by Step Solution

1. Step 1: Write the proportion equation
   1,272,760 : 2,744,688 = 2,744,688 : x
2. Step 2: Convert to fraction form
   1,272,760/2,744,688 = 2,744,688/x
3. Step 3: Cross multiply
   1,272,760x = 2,744,688 × 2,744,688
4. Step 4: Simplify right side
   1,272,760x = 7,533,312,217,344
5. Step 5: Solve for x
   x = 7,533,312,217,344/1,272,760
6. Step 6: Final answer
   x = 5,918,878.83