Finding the Third Proportional to 7,380,792 and 10,389,240

Step by Step Solution

1. Step 1: Write the proportion equation
   7,380,792 : 10,389,240 = 10,389,240 : x
2. Step 2: Convert to fraction form
   7,380,792/10,389,240 = 10,389,240/x
3. Step 3: Cross multiply
   7,380,792x = 10,389,240 × 10,389,240
4. Step 4: Simplify right side
   7,380,792x = 107,936,307,777,600
5. Step 5: Solve for x
   x = 107,936,307,777,600/7,380,792
6. Step 6: Final answer
   x = 14,623,946.56