Finding the Third Proportional to 445,513.50 and 590,757

Step by Step Solution

1. Step 1: Write the proportion equation
   445,513.50 : 590,757 = 590,757 : x
2. Step 2: Convert to fraction form
   445,513.50/590,757 = 590,757/x
3. Step 3: Cross multiply
   445,513.50x = 590,757 × 590,757
4. Step 4: Simplify right side
   445,513.50x = 348,993,833,049
5. Step 5: Solve for x
   x = 348,993,833,049/445,513.50
6. Step 6: Final answer
   x = 783,351.87