Finding the Third Proportional to 3,833,012 and 7,778,657

Step by Step Solution

1. Step 1: Write the proportion equation
   3,833,012 : 7,778,657 = 7,778,657 : x
2. Step 2: Convert to fraction form
   3,833,012/7,778,657 = 7,778,657/x
3. Step 3: Cross multiply
   3,833,012x = 7,778,657 × 7,778,657
4. Step 4: Simplify right side
   3,833,012x = 60,507,504,723,649
5. Step 5: Solve for x
   x = 60,507,504,723,649/3,833,012
6. Step 6: Final answer
   x = 15,785,889.72