Finding the Third Proportional to 10,778,279 and 16,279,320

Step by Step Solution

1. Step 1: Write the proportion equation
   10,778,279 : 16,279,320 = 16,279,320 : x
2. Step 2: Convert to fraction form
   10,778,279/16,279,320 = 16,279,320/x
3. Step 3: Cross multiply
   10,778,279x = 16,279,320 × 16,279,320
4. Step 4: Simplify right side
   10,778,279x = 265,016,259,662,400
5. Step 5: Solve for x
   x = 265,016,259,662,400/10,778,279
6. Step 6: Final answer
   x = 24,587,994.03