Finding the Third Proportional to 643,248 and 960,012

Step by Step Solution

1. Step 1: Write the proportion equation
   643,248 : 960,012 = 960,012 : x
2. Step 2: Convert to fraction form
   643,248/960,012 = 960,012/x
3. Step 3: Cross multiply
   643,248x = 960,012 × 960,012
4. Step 4: Simplify right side
   643,248x = 921,623,040,144
5. Step 5: Solve for x
   x = 921,623,040,144/643,248
6. Step 6: Final answer
   x = 1,432,764.72