Finding the Third Proportional to 573,910,204 and 805,309,638

Step by Step Solution

1. Step 1: Write the proportion equation
   573,910,204 : 805,309,638 = 805,309,638 : x
2. Step 2: Convert to fraction form
   573,910,204/805,309,638 = 805,309,638/x
3. Step 3: Cross multiply
   573,910,204x = 805,309,638 × 805,309,638
4. Step 4: Simplify right side
   573,910,204x = 648,523,613,055,691,008
5. Step 5: Solve for x
   x = 648,523,613,055,691,008/573,910,204
6. Step 6: Final answer
   x = 1,130,008,855.98