Finding the Third Proportional to 3,914,667 and 8,599,158

Step by Step Solution

1. Step 1: Write the proportion equation
   3,914,667 : 8,599,158 = 8,599,158 : x
2. Step 2: Convert to fraction form
   3,914,667/8,599,158 = 8,599,158/x
3. Step 3: Cross multiply
   3,914,667x = 8,599,158 × 8,599,158
4. Step 4: Simplify right side
   3,914,667x = 73,945,518,308,964
5. Step 5: Solve for x
   x = 73,945,518,308,964/3,914,667
6. Step 6: Final answer
   x = 18,889,350.82