Finding the Third Proportional to 111,028,588 and 240,591,272

Step by Step Solution

1. Step 1: Write the proportion equation
   111,028,588 : 240,591,272 = 240,591,272 : x
2. Step 2: Convert to fraction form
   111,028,588/240,591,272 = 240,591,272/x
3. Step 3: Cross multiply
   111,028,588x = 240,591,272 × 240,591,272
4. Step 4: Simplify right side
   111,028,588x = 57,884,160,162,577,984
5. Step 5: Solve for x
   x = 57,884,160,162,577,984/111,028,588
6. Step 6: Final answer
   x = 521,344,648.30