Finding the Third Proportional to 43,401,578 and 67,143,167

Step by Step Solution

1. Step 1: Write the proportion equation
   43,401,578 : 67,143,167 = 67,143,167 : x
2. Step 2: Convert to fraction form
   43,401,578/67,143,167 = 67,143,167/x
3. Step 3: Cross multiply
   43,401,578x = 67,143,167 × 67,143,167
4. Step 4: Simplify right side
   43,401,578x = 4,508,204,874,789,889
5. Step 5: Solve for x
   x = 4,508,204,874,789,889/43,401,578
6. Step 6: Final answer
   x = 103,871,911.63