Finding the Third Proportional to 45,618 and 99,948

Step by Step Solution

1. Step 1: Write the proportion equation
   45,618 : 99,948 = 99,948 : x
2. Step 2: Convert to fraction form
   45,618/99,948 = 99,948/x
3. Step 3: Cross multiply
   45,618x = 99,948 × 99,948
4. Step 4: Simplify right side
   45,618x = 9,989,602,704
5. Step 5: Solve for x
   x = 9,989,602,704/45,618
6. Step 6: Final answer
   x = 218,983.79