Finding the Third Proportional to 520,587 and 1,055,662.50

Step by Step Solution

1. Step 1: Write the proportion equation
   520,587 : 1,055,662.50 = 1,055,662.50 : x
2. Step 2: Convert to fraction form
   520,587/1,055,662.50 = 1,055,662.50/x
3. Step 3: Cross multiply
   520,587x = 1,055,662.50 × 1,055,662.50
4. Step 4: Simplify right side
   520,587x = 1,114,423,313,906.25
5. Step 5: Solve for x
   x = 1,114,423,313,906.25/520,587
6. Step 6: Final answer
   x = 2,140,705.23