Finding the Third Proportional to 4,275,736 and 8,905,280

Step by Step Solution

1. Step 1: Write the proportion equation
   4,275,736 : 8,905,280 = 8,905,280 : x
2. Step 2: Convert to fraction form
   4,275,736/8,905,280 = 8,905,280/x
3. Step 3: Cross multiply
   4,275,736x = 8,905,280 × 8,905,280
4. Step 4: Simplify right side
   4,275,736x = 79,304,011,878,400
5. Step 5: Solve for x
   x = 79,304,011,878,400/4,275,736
6. Step 6: Final answer
   x = 18,547,452.85