Finding the Third Proportional to 663,812,364 and 959,011,665

Step by Step Solution

1. Step 1: Write the proportion equation
   663,812,364 : 959,011,665 = 959,011,665 : x
2. Step 2: Convert to fraction form
   663,812,364/959,011,665 = 959,011,665/x
3. Step 3: Cross multiply
   663,812,364x = 959,011,665 × 959,011,665
4. Step 4: Simplify right side
   663,812,364x = 919,703,373,606,072,192
5. Step 5: Solve for x
   x = 919,703,373,606,072,192/663,812,364
6. Step 6: Final answer
   x = 1,385,486,959.09