Finding the Third Proportional to 143,150,745,433.69 and 311,434,488,989.80

Step by Step Solution

1. Step 1: Write the proportion equation
   143,150,745,433.69 : 311,434,488,989.80 = 311,434,488,989.80 : x
2. Step 2: Convert to fraction form
   143,150,745,433.69/311,434,488,989.80 = 311,434,488,989.80/x
3. Step 3: Cross multiply
   143,150,745,433.69x = 311,434,488,989.80 × 311,434,488,989.80
4. Step 4: Simplify right side
   143,150,745,433.69x = 96,991,440,932,337,856,020,480
5. Step 5: Solve for x
   x = 96,991,440,932,337,856,020,480/143,150,745,433.69
6. Step 6: Final answer
   x = 677,547,578,522.85