Finding the Third Proportional to 6,121,926 and 9,150,912

Step by Step Solution

1. Step 1: Write the proportion equation
   6,121,926 : 9,150,912 = 9,150,912 : x
2. Step 2: Convert to fraction form
   6,121,926/9,150,912 = 9,150,912/x
3. Step 3: Cross multiply
   6,121,926x = 9,150,912 × 9,150,912
4. Step 4: Simplify right side
   6,121,926x = 83,739,190,431,744
5. Step 5: Solve for x
   x = 83,739,190,431,744/6,121,926
6. Step 6: Final answer
   x = 13,678,569.53