Finding the Third Proportional to 470,372.50 and 706,618

Step by Step Solution

1. Step 1: Write the proportion equation
   470,372.50 : 706,618 = 706,618 : x
2. Step 2: Convert to fraction form
   470,372.50/706,618 = 706,618/x
3. Step 3: Cross multiply
   470,372.50x = 706,618 × 706,618
4. Step 4: Simplify right side
   470,372.50x = 499,308,997,924
5. Step 5: Solve for x
   x = 499,308,997,924/470,372.50
6. Step 6: Final answer
   x = 1,061,518.26