Finding the Third Proportional to 2,546,644 and 5,513,192

Step by Step Solution

1. Step 1: Write the proportion equation
   2,546,644 : 5,513,192 = 5,513,192 : x
2. Step 2: Convert to fraction form
   2,546,644/5,513,192 = 5,513,192/x
3. Step 3: Cross multiply
   2,546,644x = 5,513,192 × 5,513,192
4. Step 4: Simplify right side
   2,546,644x = 30,395,286,028,864
5. Step 5: Solve for x
   x = 30,395,286,028,864/2,546,644
6. Step 6: Final answer
   x = 11,935,427.97