Finding the Third Proportional to 866,257,636 and 1,870,581,716

Step by Step Solution

1. Step 1: Write the proportion equation
   866,257,636 : 1,870,581,716 = 1,870,581,716 : x
2. Step 2: Convert to fraction form
   866,257,636/1,870,581,716 = 1,870,581,716/x
3. Step 3: Cross multiply
   866,257,636x = 1,870,581,716 × 1,870,581,716
4. Step 4: Simplify right side
   866,257,636x = 3,499,075,956,233,504,768
5. Step 5: Solve for x
   x = 3,499,075,956,233,504,768/866,257,636
6. Step 6: Final answer
   x = 4,039,301,716.74