Finding the Third Proportional to 520,590 and 1,055,668.50

Step by Step Solution

1. Step 1: Write the proportion equation
   520,590 : 1,055,668.50 = 1,055,668.50 : x
2. Step 2: Convert to fraction form
   520,590/1,055,668.50 = 1,055,668.50/x
3. Step 3: Cross multiply
   520,590x = 1,055,668.50 × 1,055,668.50
4. Step 4: Simplify right side
   520,590x = 1,114,435,981,892.25
5. Step 5: Solve for x
   x = 1,114,435,981,892.25/520,590
6. Step 6: Final answer
   x = 2,140,717.23