Finding the Third Proportional to 222,791,514 and 340,590,806

Step by Step Solution

1. Step 1: Write the proportion equation
   222,791,514 : 340,590,806 = 340,590,806 : x
2. Step 2: Convert to fraction form
   222,791,514/340,590,806 = 340,590,806/x
3. Step 3: Cross multiply
   222,791,514x = 340,590,806 × 340,590,806
4. Step 4: Simplify right side
   222,791,514x = 116,002,097,131,729,632
5. Step 5: Solve for x
   x = 116,002,097,131,729,632/222,791,514
6. Step 6: Final answer
   x = 520,675,563.67