Finding the Third Proportional to 469,648 and 714,618

Step by Step Solution

1. Step 1: Write the proportion equation
   469,648 : 714,618 = 714,618 : x
2. Step 2: Convert to fraction form
   469,648/714,618 = 714,618/x
3. Step 3: Cross multiply
   469,648x = 714,618 × 714,618
4. Step 4: Simplify right side
   469,648x = 510,678,885,924
5. Step 5: Solve for x
   x = 510,678,885,924/469,648
6. Step 6: Final answer
   x = 1,087,365.19