Finding the Third Proportional to 677,598 and 997,660.13

Step by Step Solution

1. Step 1: Write the proportion equation
   677,598 : 997,660.13 = 997,660.13 : x
2. Step 2: Convert to fraction form
   677,598/997,660.13 = 997,660.13/x
3. Step 3: Cross multiply
   677,598x = 997,660.13 × 997,660.13
4. Step 4: Simplify right side
   677,598x = 995,325,725,015.02
5. Step 5: Solve for x
   x = 995,325,725,015.02/677,598
6. Step 6: Final answer
   x = 1,468,902.99