Finding the Third Proportional to 3,973,629 and 8,582,442

Step by Step Solution

1. Step 1: Write the proportion equation
   3,973,629 : 8,582,442 = 8,582,442 : x
2. Step 2: Convert to fraction form
   3,973,629/8,582,442 = 8,582,442/x
3. Step 3: Cross multiply
   3,973,629x = 8,582,442 × 8,582,442
4. Step 4: Simplify right side
   3,973,629x = 73,658,310,683,364
5. Step 5: Solve for x
   x = 73,658,310,683,364/3,973,629
6. Step 6: Final answer
   x = 18,536,786.07