Finding the Third Proportional to 831,520.69 and 1,158,517.69

Step by Step Solution

1. Step 1: Write the proportion equation
   831,520.69 : 1,158,517.69 = 1,158,517.69 : x
2. Step 2: Convert to fraction form
   831,520.69/1,158,517.69 = 1,158,517.69/x
3. Step 3: Cross multiply
   831,520.69x = 1,158,517.69 × 1,158,517.69
4. Step 4: Simplify right side
   831,520.69x = 1,342,163,232,250.35
5. Step 5: Solve for x
   x = 1,342,163,232,250.35/831,520.69
6. Step 6: Final answer
   x = 1,614,106.84