Finding the Third Proportional to 259,367,066 and 555,802,144

Step by Step Solution

1. Step 1: Write the proportion equation
   259,367,066 : 555,802,144 = 555,802,144 : x
2. Step 2: Convert to fraction form
   259,367,066/555,802,144 = 555,802,144/x
3. Step 3: Cross multiply
   259,367,066x = 555,802,144 × 555,802,144
4. Step 4: Simplify right side
   259,367,066x = 308,916,023,274,996,736
5. Step 5: Solve for x
   x = 308,916,023,274,996,736/259,367,066
6. Step 6: Final answer
   x = 1,191,037,968.08