Finding the Third Proportional to 3,293,420 and 5,139,320

Step by Step Solution

1. Step 1: Write the proportion equation
   3,293,420 : 5,139,320 = 5,139,320 : x
2. Step 2: Convert to fraction form
   3,293,420/5,139,320 = 5,139,320/x
3. Step 3: Cross multiply
   3,293,420x = 5,139,320 × 5,139,320
4. Step 4: Simplify right side
   3,293,420x = 26,412,610,062,400
5. Step 5: Solve for x
   x = 26,412,610,062,400/3,293,420
6. Step 6: Final answer
   x = 8,019,812.25