Finding the Third Proportional to 13,009,668,980 and 17,553,097,816

Step by Step Solution

1. Step 1: Write the proportion equation
   13,009,668,980 : 17,553,097,816 = 17,553,097,816 : x
2. Step 2: Convert to fraction form
   13,009,668,980/17,553,097,816 = 17,553,097,816/x
3. Step 3: Cross multiply
   13,009,668,980x = 17,553,097,816 × 17,553,097,816
4. Step 4: Simplify right side
   13,009,668,980x = 308,111,242,938,063,978,496
5. Step 5: Solve for x
   x = 308,111,242,938,063,978,496/13,009,668,980
6. Step 6: Final answer
   x = 23,683,250,005.19