Finding the Third Proportional to 17,787,578 and 38,786,932

Step by Step Solution

1. Step 1: Write the proportion equation
   17,787,578 : 38,786,932 = 38,786,932 : x
2. Step 2: Convert to fraction form
   17,787,578/38,786,932 = 38,786,932/x
3. Step 3: Cross multiply
   17,787,578x = 38,786,932 × 38,786,932
4. Step 4: Simplify right side
   17,787,578x = 1,504,426,093,972,624
5. Step 5: Solve for x
   x = 1,504,426,093,972,624/17,787,578
6. Step 6: Final answer
   x = 84,577,343.47