Finding the Third Proportional to 51,383,857 and 69,987,960

Step by Step Solution

1. Step 1: Write the proportion equation
   51,383,857 : 69,987,960 = 69,987,960 : x
2. Step 2: Convert to fraction form
   51,383,857/69,987,960 = 69,987,960/x
3. Step 3: Cross multiply
   51,383,857x = 69,987,960 × 69,987,960
4. Step 4: Simplify right side
   51,383,857x = 4,898,314,544,961,600
5. Step 5: Solve for x
   x = 4,898,314,544,961,600/51,383,857
6. Step 6: Final answer
   x = 95,327,887.61