Finding the Third Proportional to 3,996,972 and 8,565,048

Step by Step Solution

1. Step 1: Write the proportion equation
   3,996,972 : 8,565,048 = 8,565,048 : x
2. Step 2: Convert to fraction form
   3,996,972/8,565,048 = 8,565,048/x
3. Step 3: Cross multiply
   3,996,972x = 8,565,048 × 8,565,048
4. Step 4: Simplify right side
   3,996,972x = 73,360,047,242,304
5. Step 5: Solve for x
   x = 73,360,047,242,304/3,996,972
6. Step 6: Final answer
   x = 18,353,905.72