Finding the Third Proportional to 3,857,112 and 8,294,724

Step by Step Solution

1. Step 1: Write the proportion equation
   3,857,112 : 8,294,724 = 8,294,724 : x
2. Step 2: Convert to fraction form
   3,857,112/8,294,724 = 8,294,724/x
3. Step 3: Cross multiply
   3,857,112x = 8,294,724 × 8,294,724
4. Step 4: Simplify right side
   3,857,112x = 68,802,446,236,176
5. Step 5: Solve for x
   x = 68,802,446,236,176/3,857,112
6. Step 6: Final answer
   x = 17,837,813.95