Finding the Third Proportional to 1,179,684 and 2,580,142

Step by Step Solution

1. Step 1: Write the proportion equation
   1,179,684 : 2,580,142 = 2,580,142 : x
2. Step 2: Convert to fraction form
   1,179,684/2,580,142 = 2,580,142/x
3. Step 3: Cross multiply
   1,179,684x = 2,580,142 × 2,580,142
4. Step 4: Simplify right side
   1,179,684x = 6,657,132,740,164
5. Step 5: Solve for x
   x = 6,657,132,740,164/1,179,684
6. Step 6: Final answer
   x = 5,643,149.13