Finding the Third Proportional to 604,591.50 and 913,692

Step by Step Solution

1. Step 1: Write the proportion equation
   604,591.50 : 913,692 = 913,692 : x
2. Step 2: Convert to fraction form
   604,591.50/913,692 = 913,692/x
3. Step 3: Cross multiply
   604,591.50x = 913,692 × 913,692
4. Step 4: Simplify right side
   604,591.50x = 834,833,070,864
5. Step 5: Solve for x
   x = 834,833,070,864/604,591.50
6. Step 6: Final answer
   x = 1,380,821.71