Finding the Third Proportional to 17,911,487 and 38,863,998

Step by Step Solution

1. Step 1: Write the proportion equation
   17,911,487 : 38,863,998 = 38,863,998 : x
2. Step 2: Convert to fraction form
   17,911,487/38,863,998 = 38,863,998/x
3. Step 3: Cross multiply
   17,911,487x = 38,863,998 × 38,863,998
4. Step 4: Simplify right side
   17,911,487x = 1,510,410,340,544,004
5. Step 5: Solve for x
   x = 1,510,410,340,544,004/17,911,487
6. Step 6: Final answer
   x = 84,326,351.05