Finding the Third Proportional to 3,812,444 and 8,210,680

Step by Step Solution

1. Step 1: Write the proportion equation
   3,812,444 : 8,210,680 = 8,210,680 : x
2. Step 2: Convert to fraction form
   3,812,444/8,210,680 = 8,210,680/x
3. Step 3: Cross multiply
   3,812,444x = 8,210,680 × 8,210,680
4. Step 4: Simplify right side
   3,812,444x = 67,415,266,062,400
5. Step 5: Solve for x
   x = 67,415,266,062,400/3,812,444
6. Step 6: Final answer
   x = 17,682,952.47