Finding the Third Proportional to 831,123 and 1,109,200.50

Step by Step Solution

1. Step 1: Write the proportion equation
   831,123 : 1,109,200.50 = 1,109,200.50 : x
2. Step 2: Convert to fraction form
   831,123/1,109,200.50 = 1,109,200.50/x
3. Step 3: Cross multiply
   831,123x = 1,109,200.50 × 1,109,200.50
4. Step 4: Simplify right side
   831,123x = 1,230,325,749,200.25
5. Step 5: Solve for x
   x = 1,230,325,749,200.25/831,123
6. Step 6: Final answer
   x = 1,480,317.29