Finding the Third Proportional to 520,258.50 and 1,139,934

Step by Step Solution

1. Step 1: Write the proportion equation
   520,258.50 : 1,139,934 = 1,139,934 : x
2. Step 2: Convert to fraction form
   520,258.50/1,139,934 = 1,139,934/x
3. Step 3: Cross multiply
   520,258.50x = 1,139,934 × 1,139,934
4. Step 4: Simplify right side
   520,258.50x = 1,299,449,524,356
5. Step 5: Solve for x
   x = 1,299,449,524,356/520,258.50
6. Step 6: Final answer
   x = 2,497,699.75