Finding the Third Proportional to 9,617,148 and 20,307,384

Step by Step Solution

1. Step 1: Write the proportion equation
   9,617,148 : 20,307,384 = 20,307,384 : x
2. Step 2: Convert to fraction form
   9,617,148/20,307,384 = 20,307,384/x
3. Step 3: Cross multiply
   9,617,148x = 20,307,384 × 20,307,384
4. Step 4: Simplify right side
   9,617,148x = 412,389,844,923,456
5. Step 5: Solve for x
   x = 412,389,844,923,456/9,617,148
6. Step 6: Final answer
   x = 42,880,679.90