Finding the Third Proportional to 8,122,099,815,216 and 12,287,611,055,304

Step by Step Solution

1. Step 1: Write the proportion equation
   8,122,099,815,216 : 12,287,611,055,304 = 12,287,611,055,304 : x
2. Step 2: Convert to fraction form
   8,122,099,815,216/12,287,611,055,304 = 12,287,611,055,304/x
3. Step 3: Cross multiply
   8,122,099,815,216x = 12,287,611,055,304 × 12,287,611,055,304
4. Step 4: Simplify right side
   8,122,099,815,216x = 150,985,385,446,429,085,573,054,464
5. Step 5: Solve for x
   x = 150,985,385,446,429,085,573,054,464/8,122,099,815,216
6. Step 6: Final answer
   x = 18,589,452,097,544.04