Finding the Third Proportional to 7,380,784 and 10,389,228

Step by Step Solution

1. Step 1: Write the proportion equation
   7,380,784 : 10,389,228 = 10,389,228 : x
2. Step 2: Convert to fraction form
   7,380,784/10,389,228 = 10,389,228/x
3. Step 3: Cross multiply
   7,380,784x = 10,389,228 × 10,389,228
4. Step 4: Simplify right side
   7,380,784x = 107,936,058,435,984
5. Step 5: Solve for x
   x = 107,936,058,435,984/7,380,784
6. Step 6: Final answer
   x = 14,623,928.63