Finding the Third Proportional to 3,968,613 and 8,693,934

Step by Step Solution

1. Step 1: Write the proportion equation
   3,968,613 : 8,693,934 = 8,693,934 : x
2. Step 2: Convert to fraction form
   3,968,613/8,693,934 = 8,693,934/x
3. Step 3: Cross multiply
   3,968,613x = 8,693,934 × 8,693,934
4. Step 4: Simplify right side
   3,968,613x = 75,584,488,396,356
5. Step 5: Solve for x
   x = 75,584,488,396,356/3,968,613
6. Step 6: Final answer
   x = 19,045,567.91