Finding the Third Proportional to 111,028,580 and 240,591,256

Step by Step Solution

1. Step 1: Write the proportion equation
   111,028,580 : 240,591,256 = 240,591,256 : x
2. Step 2: Convert to fraction form
   111,028,580/240,591,256 = 240,591,256/x
3. Step 3: Cross multiply
   111,028,580x = 240,591,256 × 240,591,256
4. Step 4: Simplify right side
   111,028,580x = 57,884,152,463,657,536
5. Step 5: Solve for x
   x = 57,884,152,463,657,536/111,028,580
6. Step 6: Final answer
   x = 521,344,616.53