Finding the Third Proportional to 635,823 and 891,103.50

Step by Step Solution

1. Step 1: Write the proportion equation
   635,823 : 891,103.50 = 891,103.50 : x
2. Step 2: Convert to fraction form
   635,823/891,103.50 = 891,103.50/x
3. Step 3: Cross multiply
   635,823x = 891,103.50 × 891,103.50
4. Step 4: Simplify right side
   635,823x = 794,065,447,712.25
5. Step 5: Solve for x
   x = 794,065,447,712.25/635,823
6. Step 6: Final answer
   x = 1,248,878.14