Finding the Third Proportional to 365,530.50 and 815,108

Step by Step Solution

1. Step 1: Write the proportion equation
   365,530.50 : 815,108 = 815,108 : x
2. Step 2: Convert to fraction form
   365,530.50/815,108 = 815,108/x
3. Step 3: Cross multiply
   365,530.50x = 815,108 × 815,108
4. Step 4: Simplify right side
   365,530.50x = 664,401,051,664
5. Step 5: Solve for x
   x = 664,401,051,664/365,530.50
6. Step 6: Final answer
   x = 1,817,635.06