Finding the Third Proportional to 4,064,472 and 8,776,944

Step by Step Solution

1. Step 1: Write the proportion equation
   4,064,472 : 8,776,944 = 8,776,944 : x
2. Step 2: Convert to fraction form
   4,064,472/8,776,944 = 8,776,944/x
3. Step 3: Cross multiply
   4,064,472x = 8,776,944 × 8,776,944
4. Step 4: Simplify right side
   4,064,472x = 77,034,745,979,136
5. Step 5: Solve for x
   x = 77,034,745,979,136/4,064,472
6. Step 6: Final answer
   x = 18,953,198.84