Finding the Third Proportional to 13,153,946,892 and 31,040,960,469

Step by Step Solution

1. Step 1: Write the proportion equation
   13,153,946,892 : 31,040,960,469 = 31,040,960,469 : x
2. Step 2: Convert to fraction form
   13,153,946,892/31,040,960,469 = 31,040,960,469/x
3. Step 3: Cross multiply
   13,153,946,892x = 31,040,960,469 × 31,040,960,469
4. Step 4: Simplify right side
   13,153,946,892x = 963,541,226,838,020,718,592
5. Step 5: Solve for x
   x = 963,541,226,838,020,718,592/13,153,946,892
6. Step 6: Final answer
   x = 73,251,111,225.33