Finding the Third Proportional to 4,325,776 and 9,412,640

Step by Step Solution

1. Step 1: Write the proportion equation
   4,325,776 : 9,412,640 = 9,412,640 : x
2. Step 2: Convert to fraction form
   4,325,776/9,412,640 = 9,412,640/x
3. Step 3: Cross multiply
   4,325,776x = 9,412,640 × 9,412,640
4. Step 4: Simplify right side
   4,325,776x = 88,597,791,769,600
5. Step 5: Solve for x
   x = 88,597,791,769,600/4,325,776
6. Step 6: Final answer
   x = 20,481,363.75