Finding the Third Proportional to 3,478,995 and 5,308,475

Step by Step Solution

1. Step 1: Write the proportion equation
   3,478,995 : 5,308,475 = 5,308,475 : x
2. Step 2: Convert to fraction form
   3,478,995/5,308,475 = 5,308,475/x
3. Step 3: Cross multiply
   3,478,995x = 5,308,475 × 5,308,475
4. Step 4: Simplify right side
   3,478,995x = 28,179,906,825,625
5. Step 5: Solve for x
   x = 28,179,906,825,625/3,478,995
6. Step 6: Final answer
   x = 8,100,013.60