Finding the Third Proportional to 17,911,486 and 38,863,996

Step by Step Solution

1. Step 1: Write the proportion equation
   17,911,486 : 38,863,996 = 38,863,996 : x
2. Step 2: Convert to fraction form
   17,911,486/38,863,996 = 38,863,996/x
3. Step 3: Cross multiply
   17,911,486x = 38,863,996 × 38,863,996
4. Step 4: Simplify right side
   17,911,486x = 1,510,410,185,088,016
5. Step 5: Solve for x
   x = 1,510,410,185,088,016/17,911,486
6. Step 6: Final answer
   x = 84,326,347.08