Finding the Third Proportional to 9,617,186 and 20,307,460

Step by Step Solution

1. Step 1: Write the proportion equation
   9,617,186 : 20,307,460 = 20,307,460 : x
2. Step 2: Convert to fraction form
   9,617,186/20,307,460 = 20,307,460/x
3. Step 3: Cross multiply
   9,617,186x = 20,307,460 × 20,307,460
4. Step 4: Simplify right side
   9,617,186x = 412,392,931,651,600
5. Step 5: Solve for x
   x = 412,392,931,651,600/9,617,186
6. Step 6: Final answer
   x = 42,880,831.43