Finding the Third Proportional to 520,870.50 and 1,105,690.50

Step by Step Solution

1. Step 1: Write the proportion equation
   520,870.50 : 1,105,690.50 = 1,105,690.50 : x
2. Step 2: Convert to fraction form
   520,870.50/1,105,690.50 = 1,105,690.50/x
3. Step 3: Cross multiply
   520,870.50x = 1,105,690.50 × 1,105,690.50
4. Step 4: Simplify right side
   520,870.50x = 1,222,551,481,790.25
5. Step 5: Solve for x
   x = 1,222,551,481,790.25/520,870.50
6. Step 6: Final answer
   x = 2,347,131.35