Finding the Third Proportional to 3,891,363,104,880 and 8,368,362,976,139

Step by Step Solution

1. Step 1: Write the proportion equation
   3,891,363,104,880 : 8,368,362,976,139 = 8,368,362,976,139 : x
2. Step 2: Convert to fraction form
   3,891,363,104,880/8,368,362,976,139 = 8,368,362,976,139/x
3. Step 3: Cross multiply
   3,891,363,104,880x = 8,368,362,976,139 × 8,368,362,976,139
4. Step 4: Simplify right side
   3,891,363,104,880x = 70,029,498,900,413,978,333,151,232
5. Step 5: Solve for x
   x = 70,029,498,900,413,978,333,151,232/3,891,363,104,880
6. Step 6: Final answer
   x = 17,996,135,804,595.78