Finding the Third Proportional to 743,042.50 and 1,180,859.50

Step by Step Solution

1. Step 1: Write the proportion equation
   743,042.50 : 1,180,859.50 = 1,180,859.50 : x
2. Step 2: Convert to fraction form
   743,042.50/1,180,859.50 = 1,180,859.50/x
3. Step 3: Cross multiply
   743,042.50x = 1,180,859.50 × 1,180,859.50
4. Step 4: Simplify right side
   743,042.50x = 1,394,429,158,740.25
5. Step 5: Solve for x
   x = 1,394,429,158,740.25/743,042.50
6. Step 6: Final answer
   x = 1,876,647.92