Finding the Third Proportional to 3,670,456 and 7,872,348

Step by Step Solution

1. Step 1: Write the proportion equation
   3,670,456 : 7,872,348 = 7,872,348 : x
2. Step 2: Convert to fraction form
   3,670,456/7,872,348 = 7,872,348/x
3. Step 3: Cross multiply
   3,670,456x = 7,872,348 × 7,872,348
4. Step 4: Simplify right side
   3,670,456x = 61,973,863,033,104
5. Step 5: Solve for x
   x = 61,973,863,033,104/3,670,456
6. Step 6: Final answer
   x = 16,884,513.27