Finding the Third Proportional to 143,150,745,431.81 and 311,434,488,986.05

Step by Step Solution

1. Step 1: Write the proportion equation
   143,150,745,431.81 : 311,434,488,986.05 = 311,434,488,986.05 : x
2. Step 2: Convert to fraction form
   143,150,745,431.81/311,434,488,986.05 = 311,434,488,986.05/x
3. Step 3: Cross multiply
   143,150,745,431.81x = 311,434,488,986.05 × 311,434,488,986.05
4. Step 4: Simplify right side
   143,150,745,431.81x = 96,991,440,930,002,098,454,528
5. Step 5: Solve for x
   x = 96,991,440,930,002,098,454,528/143,150,745,431.81
6. Step 6: Final answer
   x = 677,547,578,515.43