Finding the Third Proportional to 654,448.50 and 960,124.50

Step by Step Solution

1. Step 1: Write the proportion equation
   654,448.50 : 960,124.50 = 960,124.50 : x
2. Step 2: Convert to fraction form
   654,448.50/960,124.50 = 960,124.50/x
3. Step 3: Cross multiply
   654,448.50x = 960,124.50 × 960,124.50
4. Step 4: Simplify right side
   654,448.50x = 921,839,055,500.25
5. Step 5: Solve for x
   x = 921,839,055,500.25/654,448.50
6. Step 6: Final answer
   x = 1,408,573.87