Finding the Third Proportional to 16,700,086 and 25,858,189

Step by Step Solution

1. Step 1: Write the proportion equation
   16,700,086 : 25,858,189 = 25,858,189 : x
2. Step 2: Convert to fraction form
   16,700,086/25,858,189 = 25,858,189/x
3. Step 3: Cross multiply
   16,700,086x = 25,858,189 × 25,858,189
4. Step 4: Simplify right side
   16,700,086x = 668,645,938,359,721
5. Step 5: Solve for x
   x = 668,645,938,359,721/16,700,086
6. Step 6: Final answer
   x = 40,038,472.76