Finding the Third Proportional to 4,274,240 and 8,722,884

Step by Step Solution

1. Step 1: Write the proportion equation
   4,274,240 : 8,722,884 = 8,722,884 : x
2. Step 2: Convert to fraction form
   4,274,240/8,722,884 = 8,722,884/x
3. Step 3: Cross multiply
   4,274,240x = 8,722,884 × 8,722,884
4. Step 4: Simplify right side
   4,274,240x = 76,088,705,277,456
5. Step 5: Solve for x
   x = 76,088,705,277,456/4,274,240
6. Step 6: Final answer
   x = 17,801,692.30