Finding the Third Proportional to 414,573 and 878,965.50

Step by Step Solution

1. Step 1: Write the proportion equation
   414,573 : 878,965.50 = 878,965.50 : x
2. Step 2: Convert to fraction form
   414,573/878,965.50 = 878,965.50/x
3. Step 3: Cross multiply
   414,573x = 878,965.50 × 878,965.50
4. Step 4: Simplify right side
   414,573x = 772,580,350,190.25
5. Step 5: Solve for x
   x = 772,580,350,190.25/414,573
6. Step 6: Final answer
   x = 1,863,556.84