Finding the Third Proportional to 426,847.50 and 570,951

Step by Step Solution

1. Step 1: Write the proportion equation
   426,847.50 : 570,951 = 570,951 : x
2. Step 2: Convert to fraction form
   426,847.50/570,951 = 570,951/x
3. Step 3: Cross multiply
   426,847.50x = 570,951 × 570,951
4. Step 4: Simplify right side
   426,847.50x = 325,985,044,401
5. Step 5: Solve for x
   x = 325,985,044,401/426,847.50
6. Step 6: Final answer
   x = 763,703.77