Finding the Third Proportional to 4,198,283 and 8,695,318

Step by Step Solution

1. Step 1: Write the proportion equation
   4,198,283 : 8,695,318 = 8,695,318 : x
2. Step 2: Convert to fraction form
   4,198,283/8,695,318 = 8,695,318/x
3. Step 3: Cross multiply
   4,198,283x = 8,695,318 × 8,695,318
4. Step 4: Simplify right side
   4,198,283x = 75,608,555,121,124
5. Step 5: Solve for x
   x = 75,608,555,121,124/4,198,283
6. Step 6: Final answer
   x = 18,009,399.35