Finding the Third Proportional to 3,914,666 and 8,599,156

Step by Step Solution

1. Step 1: Write the proportion equation
   3,914,666 : 8,599,156 = 8,599,156 : x
2. Step 2: Convert to fraction form
   3,914,666/8,599,156 = 8,599,156/x
3. Step 3: Cross multiply
   3,914,666x = 8,599,156 × 8,599,156
4. Step 4: Simplify right side
   3,914,666x = 73,945,483,912,336
5. Step 5: Solve for x
   x = 73,945,483,912,336/3,914,666
6. Step 6: Final answer
   x = 18,889,346.86