Finding the Third Proportional to 3,424,278 and 5,309,538

Step by Step Solution

1. Step 1: Write the proportion equation
   3,424,278 : 5,309,538 = 5,309,538 : x
2. Step 2: Convert to fraction form
   3,424,278/5,309,538 = 5,309,538/x
3. Step 3: Cross multiply
   3,424,278x = 5,309,538 × 5,309,538
4. Step 4: Simplify right side
   3,424,278x = 28,191,193,773,444
5. Step 5: Solve for x
   x = 28,191,193,773,444/3,424,278
6. Step 6: Final answer
   x = 8,232,740.97