Finding the Third Proportional to 3,670,658 and 7,872,757

Step by Step Solution

1. Step 1: Write the proportion equation
   3,670,658 : 7,872,757 = 7,872,757 : x
2. Step 2: Convert to fraction form
   3,670,658/7,872,757 = 7,872,757/x
3. Step 3: Cross multiply
   3,670,658x = 7,872,757 × 7,872,757
4. Step 4: Simplify right side
   3,670,658x = 61,980,302,781,049
5. Step 5: Solve for x
   x = 61,980,302,781,049/3,670,658
6. Step 6: Final answer
   x = 16,885,338.48