Finding the Third Proportional to 634,401 and 934,078.50

Step by Step Solution

1. Step 1: Write the proportion equation
   634,401 : 934,078.50 = 934,078.50 : x
2. Step 2: Convert to fraction form
   634,401/934,078.50 = 934,078.50/x
3. Step 3: Cross multiply
   634,401x = 934,078.50 × 934,078.50
4. Step 4: Simplify right side
   634,401x = 872,502,644,162.25
5. Step 5: Solve for x
   x = 872,502,644,162.25/634,401
6. Step 6: Final answer
   x = 1,375,317.26