Finding the Third Proportional to 663,812,362 and 959,011,662

Step by Step Solution

1. Step 1: Write the proportion equation
   663,812,362 : 959,011,662 = 959,011,662 : x
2. Step 2: Convert to fraction form
   663,812,362/959,011,662 = 959,011,662/x
3. Step 3: Cross multiply
   663,812,362x = 959,011,662 × 959,011,662
4. Step 4: Simplify right side
   663,812,362x = 919,703,367,852,002,304
5. Step 5: Solve for x
   x = 919,703,367,852,002,304/663,812,362
6. Step 6: Final answer
   x = 1,385,486,954.60