Finding the Third Proportional to 5,529,187,455 and 12,185,399,436

Step by Step Solution

1. Step 1: Write the proportion equation
   5,529,187,455 : 12,185,399,436 = 12,185,399,436 : x
2. Step 2: Convert to fraction form
   5,529,187,455/12,185,399,436 = 12,185,399,436/x
3. Step 3: Cross multiply
   5,529,187,455x = 12,185,399,436 × 12,185,399,436
4. Step 4: Simplify right side
   5,529,187,455x = 148,483,959,414,869,131,264
5. Step 5: Solve for x
   x = 148,483,959,414,869,131,264/5,529,187,455
6. Step 6: Final answer
   x = 26,854,571,421.81