Finding the Third Proportional to 57,984,962 and 81,109,618

Step by Step Solution

1. Step 1: Write the proportion equation
   57,984,962 : 81,109,618 = 81,109,618 : x
2. Step 2: Convert to fraction form
   57,984,962/81,109,618 = 81,109,618/x
3. Step 3: Cross multiply
   57,984,962x = 81,109,618 × 81,109,618
4. Step 4: Simplify right side
   57,984,962x = 6,578,770,132,105,924
5. Step 5: Solve for x
   x = 6,578,770,132,105,924/57,984,962
6. Step 6: Final answer
   x = 113,456,487.77