Finding the Third Proportional to 1,280,548 and 2,778,152

Step by Step Solution

1. Step 1: Write the proportion equation
   1,280,548 : 2,778,152 = 2,778,152 : x
2. Step 2: Convert to fraction form
   1,280,548/2,778,152 = 2,778,152/x
3. Step 3: Cross multiply
   1,280,548x = 2,778,152 × 2,778,152
4. Step 4: Simplify right side
   1,280,548x = 7,718,128,535,104
5. Step 5: Solve for x
   x = 7,718,128,535,104/1,280,548
6. Step 6: Final answer
   x = 6,027,207.52