Finding the Third Proportional to 4,208,784 and 9,275,520

Step by Step Solution

1. Step 1: Write the proportion equation
   4,208,784 : 9,275,520 = 9,275,520 : x
2. Step 2: Convert to fraction form
   4,208,784/9,275,520 = 9,275,520/x
3. Step 3: Cross multiply
   4,208,784x = 9,275,520 × 9,275,520
4. Step 4: Simplify right side
   4,208,784x = 86,035,271,270,400
5. Step 5: Solve for x
   x = 86,035,271,270,400/4,208,784
6. Step 6: Final answer
   x = 20,441,835.76