Finding the Third Proportional to 8,538,423,103,088 and 13,007,696,980,899

Step by Step Solution

1. Step 1: Write the proportion equation
   8,538,423,103,088 : 13,007,696,980,899 = 13,007,696,980,899 : x
2. Step 2: Convert to fraction form
   8,538,423,103,088/13,007,696,980,899 = 13,007,696,980,899/x
3. Step 3: Cross multiply
   8,538,423,103,088x = 13,007,696,980,899 × 13,007,696,980,899
4. Step 4: Simplify right side
   8,538,423,103,088x = 169,200,180,746,888,976,311,255,040
5. Step 5: Solve for x
   x = 169,200,180,746,888,976,311,255,040/8,538,423,103,088
6. Step 6: Final answer
   x = 19,816,326,586,778.79