Finding the Third Proportional to 9,436,950 and 20,640,132

Step by Step Solution

1. Step 1: Write the proportion equation
   9,436,950 : 20,640,132 = 20,640,132 : x
2. Step 2: Convert to fraction form
   9,436,950/20,640,132 = 20,640,132/x
3. Step 3: Cross multiply
   9,436,950x = 20,640,132 × 20,640,132
4. Step 4: Simplify right side
   9,436,950x = 426,015,048,977,424
5. Step 5: Solve for x
   x = 426,015,048,977,424/9,436,950
6. Step 6: Final answer
   x = 45,143,298.31