Finding the Third Proportional to 9,399,484 and 20,590,040

Step by Step Solution

1. Step 1: Write the proportion equation
   9,399,484 : 20,590,040 = 20,590,040 : x
2. Step 2: Convert to fraction form
   9,399,484/20,590,040 = 20,590,040/x
3. Step 3: Cross multiply
   9,399,484x = 20,590,040 × 20,590,040
4. Step 4: Simplify right side
   9,399,484x = 423,949,747,201,600
5. Step 5: Solve for x
   x = 423,949,747,201,600/9,399,484
6. Step 6: Final answer
   x = 45,103,512.83