Finding the Third Proportional to 36,630,722 and 72,339,508

Step by Step Solution

1. Step 1: Write the proportion equation
   36,630,722 : 72,339,508 = 72,339,508 : x
2. Step 2: Convert to fraction form
   36,630,722/72,339,508 = 72,339,508/x
3. Step 3: Cross multiply
   36,630,722x = 72,339,508 × 72,339,508
4. Step 4: Simplify right side
   36,630,722x = 5,233,004,417,682,064
5. Step 5: Solve for x
   x = 5,233,004,417,682,064/36,630,722
6. Step 6: Final answer
   x = 142,858,347.64