Finding the Third Proportional to 6,380,812 and 9,807,721

Step by Step Solution

1. Step 1: Write the proportion equation
   6,380,812 : 9,807,721 = 9,807,721 : x
2. Step 2: Convert to fraction form
   6,380,812/9,807,721 = 9,807,721/x
3. Step 3: Cross multiply
   6,380,812x = 9,807,721 × 9,807,721
4. Step 4: Simplify right side
   6,380,812x = 96,191,391,213,841
5. Step 5: Solve for x
   x = 96,191,391,213,841/6,380,812
6. Step 6: Final answer
   x = 15,075,101.92