Finding the Third Proportional to 5,368,539 and 8,130,993

Step by Step Solution

1. Step 1: Write the proportion equation
   5,368,539 : 8,130,993 = 8,130,993 : x
2. Step 2: Convert to fraction form
   5,368,539/8,130,993 = 8,130,993/x
3. Step 3: Cross multiply
   5,368,539x = 8,130,993 × 8,130,993
4. Step 4: Simplify right side
   5,368,539x = 66,113,047,166,049
5. Step 5: Solve for x
   x = 66,113,047,166,049/5,368,539
6. Step 6: Final answer
   x = 12,314,904.89