Finding the Third Proportional to 17,943,618 and 38,915,988

Step by Step Solution

1. Step 1: Write the proportion equation
   17,943,618 : 38,915,988 = 38,915,988 : x
2. Step 2: Convert to fraction form
   17,943,618/38,915,988 = 38,915,988/x
3. Step 3: Cross multiply
   17,943,618x = 38,915,988 × 38,915,988
4. Step 4: Simplify right side
   17,943,618x = 1,514,454,122,016,144
5. Step 5: Solve for x
   x = 1,514,454,122,016,144/17,943,618
6. Step 6: Final answer
   x = 84,400,711.27