Finding the Third Proportional to 3,914,676 and 8,599,176

Step by Step Solution

1. Step 1: Write the proportion equation
   3,914,676 : 8,599,176 = 8,599,176 : x
2. Step 2: Convert to fraction form
   3,914,676/8,599,176 = 8,599,176/x
3. Step 3: Cross multiply
   3,914,676x = 8,599,176 × 8,599,176
4. Step 4: Simplify right side
   3,914,676x = 73,945,827,878,976
5. Step 5: Solve for x
   x = 73,945,827,878,976/3,914,676
6. Step 6: Final answer
   x = 18,889,386.47