Finding the Third Proportional to 21,337,734 and 30,491,130

Step by Step Solution

1. Step 1: Write the proportion equation
   21,337,734 : 30,491,130 = 30,491,130 : x
2. Step 2: Convert to fraction form
   21,337,734/30,491,130 = 30,491,130/x
3. Step 3: Cross multiply
   21,337,734x = 30,491,130 × 30,491,130
4. Step 4: Simplify right side
   21,337,734x = 929,709,008,676,900
5. Step 5: Solve for x
   x = 929,709,008,676,900/21,337,734
6. Step 6: Final answer
   x = 43,571,121.88