Finding the Third Proportional to 17,139,722 and 35,699,860

Step by Step Solution

1. Step 1: Write the proportion equation
   17,139,722 : 35,699,860 = 35,699,860 : x
2. Step 2: Convert to fraction form
   17,139,722/35,699,860 = 35,699,860/x
3. Step 3: Cross multiply
   17,139,722x = 35,699,860 × 35,699,860
4. Step 4: Simplify right side
   17,139,722x = 1,274,480,004,019,600
5. Step 5: Solve for x
   x = 1,274,480,004,019,600/17,139,722
6. Step 6: Final answer
   x = 74,358,265.79