Finding the Third Proportional to 3,914,668 and 8,599,160

Step by Step Solution

1. Step 1: Write the proportion equation
   3,914,668 : 8,599,160 = 8,599,160 : x
2. Step 2: Convert to fraction form
   3,914,668/8,599,160 = 8,599,160/x
3. Step 3: Cross multiply
   3,914,668x = 8,599,160 × 8,599,160
4. Step 4: Simplify right side
   3,914,668x = 73,945,552,705,600
5. Step 5: Solve for x
   x = 73,945,552,705,600/3,914,668
6. Step 6: Final answer
   x = 18,889,354.78