Finding the Third Proportional to 1,176,798 and 2,540,220

Step by Step Solution

1. Step 1: Write the proportion equation
   1,176,798 : 2,540,220 = 2,540,220 : x
2. Step 2: Convert to fraction form
   1,176,798/2,540,220 = 2,540,220/x
3. Step 3: Cross multiply
   1,176,798x = 2,540,220 × 2,540,220
4. Step 4: Simplify right side
   1,176,798x = 6,452,717,648,400
5. Step 5: Solve for x
   x = 6,452,717,648,400/1,176,798
6. Step 6: Final answer
   x = 5,483,284.00