Finding the Third Proportional to 365,527.50 and 815,103

Step by Step Solution

1. Step 1: Write the proportion equation
   365,527.50 : 815,103 = 815,103 : x
2. Step 2: Convert to fraction form
   365,527.50/815,103 = 815,103/x
3. Step 3: Cross multiply
   365,527.50x = 815,103 × 815,103
4. Step 4: Simplify right side
   365,527.50x = 664,392,900,609
5. Step 5: Solve for x
   x = 664,392,900,609/365,527.50
6. Step 6: Final answer
   x = 1,817,627.68