Finding the Third Proportional to 8,254,969 and 12,507,112

Step by Step Solution

1. Step 1: Write the proportion equation
   8,254,969 : 12,507,112 = 12,507,112 : x
2. Step 2: Convert to fraction form
   8,254,969/12,507,112 = 12,507,112/x
3. Step 3: Cross multiply
   8,254,969x = 12,507,112 × 12,507,112
4. Step 4: Simplify right side
   8,254,969x = 156,427,850,580,544
5. Step 5: Solve for x
   x = 156,427,850,580,544/8,254,969
6. Step 6: Final answer
   x = 18,949,538.22