Finding the Third Proportional to 520,699.50 and 1,055,884.50

Step by Step Solution

1. Step 1: Write the proportion equation
   520,699.50 : 1,055,884.50 = 1,055,884.50 : x
2. Step 2: Convert to fraction form
   520,699.50/1,055,884.50 = 1,055,884.50/x
3. Step 3: Cross multiply
   520,699.50x = 1,055,884.50 × 1,055,884.50
4. Step 4: Simplify right side
   520,699.50x = 1,114,892,077,340.25
5. Step 5: Solve for x
   x = 1,114,892,077,340.25/520,699.50
6. Step 6: Final answer
   x = 2,141,142.98