Finding the Third Proportional to 312,832.13 and 683,073

Step by Step Solution

1. Step 1: Write the proportion equation
   312,832.13 : 683,073 = 683,073 : x
2. Step 2: Convert to fraction form
   312,832.13/683,073 = 683,073/x
3. Step 3: Cross multiply
   312,832.13x = 683,073 × 683,073
4. Step 4: Simplify right side
   312,832.13x = 466,588,723,329
5. Step 5: Solve for x
   x = 466,588,723,329/312,832.13
6. Step 6: Final answer
   x = 1,491,498.75