Finding the Third Proportional to 352,081,097.72 and 764,643,133.69

Step by Step Solution

1. Step 1: Write the proportion equation
   352,081,097.72 : 764,643,133.69 = 764,643,133.69 : x
2. Step 2: Convert to fraction form
   352,081,097.72/764,643,133.69 = 764,643,133.69/x
3. Step 3: Cross multiply
   352,081,097.72x = 764,643,133.69 × 764,643,133.69
4. Step 4: Simplify right side
   352,081,097.72x = 584,679,121,895,440,000
5. Step 5: Solve for x
   x = 584,679,121,895,440,000/352,081,097.72
6. Step 6: Final answer
   x = 1,660,637,636.28