Finding the Third Proportional to 216,186,839,620 and 464,909,055,147

Step by Step Solution

1. Step 1: Write the proportion equation
   216,186,839,620 : 464,909,055,147 = 464,909,055,147 : x
2. Step 2: Convert to fraction form
   216,186,839,620/464,909,055,147 = 464,909,055,147/x
3. Step 3: Cross multiply
   216,186,839,620x = 464,909,055,147 × 464,909,055,147
4. Step 4: Simplify right side
   216,186,839,620x = 216,140,429,557,676,298,469,376
5. Step 5: Solve for x
   x = 216,140,429,557,676,298,469,376/216,186,839,620
6. Step 6: Final answer
   x = 999,785,324,294.46