Finding the Third Proportional to 6,380,899 and 9,807,858

Step by Step Solution

1. Step 1: Write the proportion equation
   6,380,899 : 9,807,858 = 9,807,858 : x
2. Step 2: Convert to fraction form
   6,380,899/9,807,858 = 9,807,858/x
3. Step 3: Cross multiply
   6,380,899x = 9,807,858 × 9,807,858
4. Step 4: Simplify right side
   6,380,899x = 96,194,078,548,164
5. Step 5: Solve for x
   x = 96,194,078,548,164/6,380,899
6. Step 6: Final answer
   x = 15,075,317.53