Finding the Third Proportional to 320,259,304 and 699,242,960

Step by Step Solution

1. Step 1: Write the proportion equation
   320,259,304 : 699,242,960 = 699,242,960 : x
2. Step 2: Convert to fraction form
   320,259,304/699,242,960 = 699,242,960/x
3. Step 3: Cross multiply
   320,259,304x = 699,242,960 × 699,242,960
4. Step 4: Simplify right side
   320,259,304x = 488,940,717,109,561,600
5. Step 5: Solve for x
   x = 488,940,717,109,561,600/320,259,304
6. Step 6: Final answer
   x = 1,526,702,615.67