Finding the Third Proportional to 5,179,542 and 8,125,168

Step by Step Solution

1. Step 1: Write the proportion equation
   5,179,542 : 8,125,168 = 8,125,168 : x
2. Step 2: Convert to fraction form
   5,179,542/8,125,168 = 8,125,168/x
3. Step 3: Cross multiply
   5,179,542x = 8,125,168 × 8,125,168
4. Step 4: Simplify right side
   5,179,542x = 66,018,355,028,224
5. Step 5: Solve for x
   x = 66,018,355,028,224/5,179,542
6. Step 6: Final answer
   x = 12,745,983.14