Finding the Third Proportional to 17,139,720 and 35,699,856

Step by Step Solution

1. Step 1: Write the proportion equation
   17,139,720 : 35,699,856 = 35,699,856 : x
2. Step 2: Convert to fraction form
   17,139,720/35,699,856 = 35,699,856/x
3. Step 3: Cross multiply
   17,139,720x = 35,699,856 × 35,699,856
4. Step 4: Simplify right side
   17,139,720x = 1,274,479,718,420,736
5. Step 5: Solve for x
   x = 1,274,479,718,420,736/17,139,720
6. Step 6: Final answer
   x = 74,358,257.80