Finding the Third Proportional to 9,697,274 and 21,211,947

Step by Step Solution

1. Step 1: Write the proportion equation
   9,697,274 : 21,211,947 = 21,211,947 : x
2. Step 2: Convert to fraction form
   9,697,274/21,211,947 = 21,211,947/x
3. Step 3: Cross multiply
   9,697,274x = 21,211,947 × 21,211,947
4. Step 4: Simplify right side
   9,697,274x = 449,946,695,530,809
5. Step 5: Solve for x
   x = 449,946,695,530,809/9,697,274
6. Step 6: Final answer
   x = 46,399,296.91