Finding the Third Proportional to 2,978,520 and 6,503,259

Step by Step Solution

1. Step 1: Write the proportion equation
   2,978,520 : 6,503,259 = 6,503,259 : x
2. Step 2: Convert to fraction form
   2,978,520/6,503,259 = 6,503,259/x
3. Step 3: Cross multiply
   2,978,520x = 6,503,259 × 6,503,259
4. Step 4: Simplify right side
   2,978,520x = 42,292,377,621,081
5. Step 5: Solve for x
   x = 42,292,377,621,081/2,978,520
6. Step 6: Final answer
   x = 14,199,124.94