Finding the Third Proportional to 4,877,782 and 7,245,920

Step by Step Solution

1. Step 1: Write the proportion equation
   4,877,782 : 7,245,920 = 7,245,920 : x
2. Step 2: Convert to fraction form
   4,877,782/7,245,920 = 7,245,920/x
3. Step 3: Cross multiply
   4,877,782x = 7,245,920 × 7,245,920
4. Step 4: Simplify right side
   4,877,782x = 52,503,356,646,400
5. Step 5: Solve for x
   x = 52,503,356,646,400/4,877,782
6. Step 6: Final answer
   x = 10,763,776.78