Finding the Third Proportional to 688,697,888,175 and 1,491,994,870,526

Step by Step Solution

1. Step 1: Write the proportion equation
   688,697,888,175 : 1,491,994,870,526 = 1,491,994,870,526 : x
2. Step 2: Convert to fraction form
   688,697,888,175/1,491,994,870,526 = 1,491,994,870,526/x
3. Step 3: Cross multiply
   688,697,888,175x = 1,491,994,870,526 × 1,491,994,870,526
4. Step 4: Simplify right side
   688,697,888,175x = 2,226,048,693,675,895,591,796,736
5. Step 5: Solve for x
   x = 2,226,048,693,675,895,591,796,736/688,697,888,175
6. Step 6: Final answer
   x = 3,232,257,179,668.09