Finding the Third Proportional to 3,163,674 and 7,465,143

Step by Step Solution

1. Step 1: Write the proportion equation
   3,163,674 : 7,465,143 = 7,465,143 : x
2. Step 2: Convert to fraction form
   3,163,674/7,465,143 = 7,465,143/x
3. Step 3: Cross multiply
   3,163,674x = 7,465,143 × 7,465,143
4. Step 4: Simplify right side
   3,163,674x = 55,728,360,010,449
5. Step 5: Solve for x
   x = 55,728,360,010,449/3,163,674
6. Step 6: Final answer
   x = 17,615,076.65