Finding the Third Proportional to 13,009,668,912 and 17,553,097,728

Step by Step Solution

1. Step 1: Write the proportion equation
   13,009,668,912 : 17,553,097,728 = 17,553,097,728 : x
2. Step 2: Convert to fraction form
   13,009,668,912/17,553,097,728 = 17,553,097,728/x
3. Step 3: Cross multiply
   13,009,668,912x = 17,553,097,728 × 17,553,097,728
4. Step 4: Simplify right side
   13,009,668,912x = 308,111,239,848,718,761,984
5. Step 5: Solve for x
   x = 308,111,239,848,718,761,984/13,009,668,912
6. Step 6: Final answer
   x = 23,683,249,891.51