Finding the Third Proportional to 143,150,745,430.69 and 311,434,488,983.81

Step by Step Solution

1. Step 1: Write the proportion equation
   143,150,745,430.69 : 311,434,488,983.81 = 311,434,488,983.81 : x
2. Step 2: Convert to fraction form
   143,150,745,430.69/311,434,488,983.81 = 311,434,488,983.81/x
3. Step 3: Cross multiply
   143,150,745,430.69x = 311,434,488,983.81 × 311,434,488,983.81
4. Step 4: Simplify right side
   143,150,745,430.69x = 96,991,440,928,606,871,617,536
5. Step 5: Solve for x
   x = 96,991,440,928,606,871,617,536/143,150,745,430.69
6. Step 6: Final answer
   x = 677,547,578,510.99