Finding the Third Proportional to 3,513,240 and 5,240,619

Step by Step Solution

1. Step 1: Write the proportion equation
   3,513,240 : 5,240,619 = 5,240,619 : x
2. Step 2: Convert to fraction form
   3,513,240/5,240,619 = 5,240,619/x
3. Step 3: Cross multiply
   3,513,240x = 5,240,619 × 5,240,619
4. Step 4: Simplify right side
   3,513,240x = 27,464,087,503,161
5. Step 5: Solve for x
   x = 27,464,087,503,161/3,513,240
6. Step 6: Final answer
   x = 7,817,310.38