Finding the Third Proportional to 3,587,798 and 5,561,031

Step by Step Solution

1. Step 1: Write the proportion equation
   3,587,798 : 5,561,031 = 5,561,031 : x
2. Step 2: Convert to fraction form
   3,587,798/5,561,031 = 5,561,031/x
3. Step 3: Cross multiply
   3,587,798x = 5,561,031 × 5,561,031
4. Step 4: Simplify right side
   3,587,798x = 30,925,065,782,961
5. Step 5: Solve for x
   x = 30,925,065,782,961/3,587,798
6. Step 6: Final answer
   x = 8,619,511.41