Finding the Third Proportional to 105,699,078 and 161,707,782

Step by Step Solution

1. Step 1: Write the proportion equation
   105,699,078 : 161,707,782 = 161,707,782 : x
2. Step 2: Convert to fraction form
   105,699,078/161,707,782 = 161,707,782/x
3. Step 3: Cross multiply
   105,699,078x = 161,707,782 × 161,707,782
4. Step 4: Simplify right side
   105,699,078x = 26,149,406,759,359,524
5. Step 5: Solve for x
   x = 26,149,406,759,359,524/105,699,078
6. Step 6: Final answer
   x = 247,394,842.55