Finding the Third Proportional to 319,810 and 704,012

Step by Step Solution

1. Step 1: Write the proportion equation
   319,810 : 704,012 = 704,012 : x
2. Step 2: Convert to fraction form
   319,810/704,012 = 704,012/x
3. Step 3: Cross multiply
   319,810x = 704,012 × 704,012
4. Step 4: Simplify right side
   319,810x = 495,632,896,144
5. Step 5: Solve for x
   x = 495,632,896,144/319,810
6. Step 6: Final answer
   x = 1,549,772.98