Finding the Third Proportional to 2,503,719 and 5,396,178

Step by Step Solution

1. Step 1: Write the proportion equation
   2,503,719 : 5,396,178 = 5,396,178 : x
2. Step 2: Convert to fraction form
   2,503,719/5,396,178 = 5,396,178/x
3. Step 3: Cross multiply
   2,503,719x = 5,396,178 × 5,396,178
4. Step 4: Simplify right side
   2,503,719x = 29,118,737,007,684
5. Step 5: Solve for x
   x = 29,118,737,007,684/2,503,719
6. Step 6: Final answer
   x = 11,630,193.73