Finding the Third Proportional to 472,689 and 714,658.50

Step by Step Solution

1. Step 1: Write the proportion equation
   472,689 : 714,658.50 = 714,658.50 : x
2. Step 2: Convert to fraction form
   472,689/714,658.50 = 714,658.50/x
3. Step 3: Cross multiply
   472,689x = 714,658.50 × 714,658.50
4. Step 4: Simplify right side
   472,689x = 510,736,771,622.25
5. Step 5: Solve for x
   x = 510,736,771,622.25/472,689
6. Step 6: Final answer
   x = 1,080,492.19