Finding the Third Proportional to 5,493,798 and 8,403,993

Step by Step Solution

1. Step 1: Write the proportion equation
   5,493,798 : 8,403,993 = 8,403,993 : x
2. Step 2: Convert to fraction form
   5,493,798/8,403,993 = 8,403,993/x
3. Step 3: Cross multiply
   5,493,798x = 8,403,993 × 8,403,993
4. Step 4: Simplify right side
   5,493,798x = 70,627,098,344,049
5. Step 5: Solve for x
   x = 70,627,098,344,049/5,493,798
6. Step 6: Final answer
   x = 12,855,787.26