Finding the Third Proportional to 39,481,544 and 53,786,892

Step by Step Solution

1. Step 1: Write the proportion equation
   39,481,544 : 53,786,892 = 53,786,892 : x
2. Step 2: Convert to fraction form
   39,481,544/53,786,892 = 53,786,892/x
3. Step 3: Cross multiply
   39,481,544x = 53,786,892 × 53,786,892
4. Step 4: Simplify right side
   39,481,544x = 2,893,029,751,019,664
5. Step 5: Solve for x
   x = 2,893,029,751,019,664/39,481,544
6. Step 6: Final answer
   x = 73,275,496.80