Finding the Third Proportional to 414,942.50 and 845,112

Step by Step Solution

1. Step 1: Write the proportion equation
   414,942.50 : 845,112 = 845,112 : x
2. Step 2: Convert to fraction form
   414,942.50/845,112 = 845,112/x
3. Step 3: Cross multiply
   414,942.50x = 845,112 × 845,112
4. Step 4: Simplify right side
   414,942.50x = 714,214,292,544
5. Step 5: Solve for x
   x = 714,214,292,544/414,942.50
6. Step 6: Final answer
   x = 1,721,236.78