Finding the Third Proportional to 8,538,423,103,210 and 13,007,696,981,238

Step by Step Solution

1. Step 1: Write the proportion equation
   8,538,423,103,210 : 13,007,696,981,238 = 13,007,696,981,238 : x
2. Step 2: Convert to fraction form
   8,538,423,103,210/13,007,696,981,238 = 13,007,696,981,238/x
3. Step 3: Cross multiply
   8,538,423,103,210x = 13,007,696,981,238 × 13,007,696,981,238
4. Step 4: Simplify right side
   8,538,423,103,210x = 169,200,180,755,708,193,437,384,704
5. Step 5: Solve for x
   x = 169,200,180,755,708,193,437,384,704/8,538,423,103,210
6. Step 6: Final answer
   x = 19,816,326,587,528.53