Finding the Third Proportional to 34,243,578 and 71,321,508

Step by Step Solution

1. Step 1: Write the proportion equation
   34,243,578 : 71,321,508 = 71,321,508 : x
2. Step 2: Convert to fraction form
   34,243,578/71,321,508 = 71,321,508/x
3. Step 3: Cross multiply
   34,243,578x = 71,321,508 × 71,321,508
4. Step 4: Simplify right side
   34,243,578x = 5,086,757,503,394,064
5. Step 5: Solve for x
   x = 5,086,757,503,394,064/34,243,578
6. Step 6: Final answer
   x = 148,546,320.23