Finding the Third Proportional to 4,892,858 and 7,557,447

Step by Step Solution

1. Step 1: Write the proportion equation
   4,892,858 : 7,557,447 = 7,557,447 : x
2. Step 2: Convert to fraction form
   4,892,858/7,557,447 = 7,557,447/x
3. Step 3: Cross multiply
   4,892,858x = 7,557,447 × 7,557,447
4. Step 4: Simplify right side
   4,892,858x = 57,115,005,157,809
5. Step 5: Solve for x
   x = 57,115,005,157,809/4,892,858
6. Step 6: Final answer
   x = 11,673,137.70