Finding the Third Proportional to 61,221,384 and 133,204,016

Step by Step Solution

1. Step 1: Write the proportion equation
   61,221,384 : 133,204,016 = 133,204,016 : x
2. Step 2: Convert to fraction form
   61,221,384/133,204,016 = 133,204,016/x
3. Step 3: Cross multiply
   61,221,384x = 133,204,016 × 133,204,016
4. Step 4: Simplify right side
   61,221,384x = 17,743,309,878,528,256
5. Step 5: Solve for x
   x = 17,743,309,878,528,256/61,221,384
6. Step 6: Final answer
   x = 289,822,096.78