Finding the Third Proportional to 88,802,838 and 213,936,012

Step by Step Solution

1. Step 1: Write the proportion equation
   88,802,838 : 213,936,012 = 213,936,012 : x
2. Step 2: Convert to fraction form
   88,802,838/213,936,012 = 213,936,012/x
3. Step 3: Cross multiply
   88,802,838x = 213,936,012 × 213,936,012
4. Step 4: Simplify right side
   88,802,838x = 45,768,617,230,464,144
5. Step 5: Solve for x
   x = 45,768,617,230,464,144/88,802,838
6. Step 6: Final answer
   x = 515,395,884.43