Finding the Third Proportional to 479,221,477 and 684,819,955.50

Step by Step Solution

1. Step 1: Write the proportion equation
   479,221,477 : 684,819,955.50 = 684,819,955.50 : x
2. Step 2: Convert to fraction form
   479,221,477/684,819,955.50 = 684,819,955.50/x
3. Step 3: Cross multiply
   479,221,477x = 684,819,955.50 × 684,819,955.50
4. Step 4: Simplify right side
   479,221,477x = 468,978,371,451,021,952
5. Step 5: Solve for x
   x = 468,978,371,451,021,952/479,221,477
6. Step 6: Final answer
   x = 978,625,529.03