Finding the Third Proportional to 520,016.63 and 798,948.56

Step by Step Solution

1. Step 1: Write the proportion equation
   520,016.63 : 798,948.56 = 798,948.56 : x
2. Step 2: Convert to fraction form
   520,016.63/798,948.56 = 798,948.56/x
3. Step 3: Cross multiply
   520,016.63x = 798,948.56 × 798,948.56
4. Step 4: Simplify right side
   520,016.63x = 638,318,805,520.82
5. Step 5: Solve for x
   x = 638,318,805,520.82/520,016.63
6. Step 6: Final answer
   x = 1,227,496.92