Finding the Third Proportional to 353,711.25 and 763,704

Step by Step Solution

1. Step 1: Write the proportion equation
   353,711.25 : 763,704 = 763,704 : x
2. Step 2: Convert to fraction form
   353,711.25/763,704 = 763,704/x
3. Step 3: Cross multiply
   353,711.25x = 763,704 × 763,704
4. Step 4: Simplify right side
   353,711.25x = 583,243,799,616
5. Step 5: Solve for x
   x = 583,243,799,616/353,711.25
6. Step 6: Final answer
   x = 1,648,926.35