Finding the Third Proportional to 5,387,796 and 8,365,040

Step by Step Solution

1. Step 1: Write the proportion equation
   5,387,796 : 8,365,040 = 8,365,040 : x
2. Step 2: Convert to fraction form
   5,387,796/8,365,040 = 8,365,040/x
3. Step 3: Cross multiply
   5,387,796x = 8,365,040 × 8,365,040
4. Step 4: Simplify right side
   5,387,796x = 69,973,894,201,600
5. Step 5: Solve for x
   x = 69,973,894,201,600/5,387,796
6. Step 6: Final answer
   x = 12,987,480.26