Finding the Third Proportional to 30,112.50 and 63,618

Step by Step Solution

1. Step 1: Write the proportion equation
   30,112.50 : 63,618 = 63,618 : x
2. Step 2: Convert to fraction form
   30,112.50/63,618 = 63,618/x
3. Step 3: Cross multiply
   30,112.50x = 63,618 × 63,618
4. Step 4: Simplify right side
   30,112.50x = 4,047,249,924
5. Step 5: Solve for x
   x = 4,047,249,924/30,112.50
6. Step 6: Final answer
   x = 134,404.31