Finding the Third Proportional to 199,085,364 and 414,062,928

Step by Step Solution

1. Step 1: Write the proportion equation
   199,085,364 : 414,062,928 = 414,062,928 : x
2. Step 2: Convert to fraction form
   199,085,364/414,062,928 = 414,062,928/x
3. Step 3: Cross multiply
   199,085,364x = 414,062,928 × 414,062,928
4. Step 4: Simplify right side
   199,085,364x = 171,448,108,343,933,184
5. Step 5: Solve for x
   x = 171,448,108,343,933,184/199,085,364
6. Step 6: Final answer
   x = 861,178,867.69