Finding the Third Proportional to 13,424,044,322 and 18,665,060,623

Step by Step Solution

1. Step 1: Write the proportion equation
   13,424,044,322 : 18,665,060,623 = 18,665,060,623 : x
2. Step 2: Convert to fraction form
   13,424,044,322/18,665,060,623 = 18,665,060,623/x
3. Step 3: Cross multiply
   13,424,044,322x = 18,665,060,623 × 18,665,060,623
4. Step 4: Simplify right side
   13,424,044,322x = 348,384,488,060,265,168,896
5. Step 5: Solve for x
   x = 348,384,488,060,265,168,896/13,424,044,322
6. Step 6: Final answer
   x = 25,952,274,866.18