Finding the Third Proportional to 51,383,864 and 69,987,969

Step by Step Solution

1. Step 1: Write the proportion equation
   51,383,864 : 69,987,969 = 69,987,969 : x
2. Step 2: Convert to fraction form
   51,383,864/69,987,969 = 69,987,969/x
3. Step 3: Cross multiply
   51,383,864x = 69,987,969 × 69,987,969
4. Step 4: Simplify right side
   51,383,864x = 4,898,315,804,744,961
5. Step 5: Solve for x
   x = 4,898,315,804,744,961/51,383,864
6. Step 6: Final answer
   x = 95,327,899.14