Finding the Third Proportional to 831,578 and 1,158,597.50

Step by Step Solution

1. Step 1: Write the proportion equation
   831,578 : 1,158,597.50 = 1,158,597.50 : x
2. Step 2: Convert to fraction form
   831,578/1,158,597.50 = 1,158,597.50/x
3. Step 3: Cross multiply
   831,578x = 1,158,597.50 × 1,158,597.50
4. Step 4: Simplify right side
   831,578x = 1,342,348,167,006.25
5. Step 5: Solve for x
   x = 1,342,348,167,006.25/831,578
6. Step 6: Final answer
   x = 1,614,217.99