Finding the Third Proportional to 520,288.31 and 1,134,870.75

Step by Step Solution

1. Step 1: Write the proportion equation
   520,288.31 : 1,134,870.75 = 1,134,870.75 : x
2. Step 2: Convert to fraction form
   520,288.31/1,134,870.75 = 1,134,870.75/x
3. Step 3: Cross multiply
   520,288.31x = 1,134,870.75 × 1,134,870.75
4. Step 4: Simplify right side
   520,288.31x = 1,287,931,619,205.56
5. Step 5: Solve for x
   x = 1,287,931,619,205.56/520,288.31
6. Step 6: Final answer
   x = 2,475,419.09