Finding the Third Proportional to 4,111,776 and 8,835,912

Step by Step Solution

1. Step 1: Write the proportion equation
   4,111,776 : 8,835,912 = 8,835,912 : x
2. Step 2: Convert to fraction form
   4,111,776/8,835,912 = 8,835,912/x
3. Step 3: Cross multiply
   4,111,776x = 8,835,912 × 8,835,912
4. Step 4: Simplify right side
   4,111,776x = 78,073,340,871,744
5. Step 5: Solve for x
   x = 78,073,340,871,744/4,111,776
6. Step 6: Final answer
   x = 18,987,741.76