Finding the Third Proportional to 442,835 and 704,978

Step by Step Solution

1. Step 1: Write the proportion equation
   442,835 : 704,978 = 704,978 : x
2. Step 2: Convert to fraction form
   442,835/704,978 = 704,978/x
3. Step 3: Cross multiply
   442,835x = 704,978 × 704,978
4. Step 4: Simplify right side
   442,835x = 496,993,980,484
5. Step 5: Solve for x
   x = 496,993,980,484/442,835
6. Step 6: Final answer
   x = 1,122,300.59