Finding the Third Proportional to 9,090,895,016 and 21,240,432,757

Step by Step Solution

1. Step 1: Write the proportion equation
   9,090,895,016 : 21,240,432,757 = 21,240,432,757 : x
2. Step 2: Convert to fraction form
   9,090,895,016/21,240,432,757 = 21,240,432,757/x
3. Step 3: Cross multiply
   9,090,895,016x = 21,240,432,757 × 21,240,432,757
4. Step 4: Simplify right side
   9,090,895,016x = 451,155,983,704,638,619,648
5. Step 5: Solve for x
   x = 451,155,983,704,638,619,648/9,090,895,016
6. Step 6: Final answer
   x = 49,627,235,042.38