Finding the Third Proportional to 4,074,404 and 8,634,502

Step by Step Solution

1. Step 1: Write the proportion equation
   4,074,404 : 8,634,502 = 8,634,502 : x
2. Step 2: Convert to fraction form
   4,074,404/8,634,502 = 8,634,502/x
3. Step 3: Cross multiply
   4,074,404x = 8,634,502 × 8,634,502
4. Step 4: Simplify right side
   4,074,404x = 74,554,624,788,004
5. Step 5: Solve for x
   x = 74,554,624,788,004/4,074,404
6. Step 6: Final answer
   x = 18,298,289.71