Finding the Third Proportional to 604,813.50 and 893,430

Step by Step Solution

1. Step 1: Write the proportion equation
   604,813.50 : 893,430 = 893,430 : x
2. Step 2: Convert to fraction form
   604,813.50/893,430 = 893,430/x
3. Step 3: Cross multiply
   604,813.50x = 893,430 × 893,430
4. Step 4: Simplify right side
   604,813.50x = 798,217,164,900
5. Step 5: Solve for x
   x = 798,217,164,900/604,813.50
6. Step 6: Final answer
   x = 1,319,774.05