Finding the Third Proportional to 328,941 and 683,737.88

Step by Step Solution

1. Step 1: Write the proportion equation
   328,941 : 683,737.88 = 683,737.88 : x
2. Step 2: Convert to fraction form
   328,941/683,737.88 = 683,737.88/x
3. Step 3: Cross multiply
   328,941x = 683,737.88 × 683,737.88
4. Step 4: Simplify right side
   328,941x = 467,497,481,709.52
5. Step 5: Solve for x
   x = 467,497,481,709.52/328,941
6. Step 6: Final answer
   x = 1,421,219.86