Finding the Third Proportional to 677,632 and 997,672

Step by Step Solution

1. Step 1: Write the proportion equation
   677,632 : 997,672 = 997,672 : x
2. Step 2: Convert to fraction form
   677,632/997,672 = 997,672/x
3. Step 3: Cross multiply
   677,632x = 997,672 × 997,672
4. Step 4: Simplify right side
   677,632x = 995,349,419,584
5. Step 5: Solve for x
   x = 995,349,419,584/677,632
6. Step 6: Final answer
   x = 1,468,864.25