Finding the Third Proportional to 414,508.50 and 860,175

Step by Step Solution

1. Step 1: Write the proportion equation
   414,508.50 : 860,175 = 860,175 : x
2. Step 2: Convert to fraction form
   414,508.50/860,175 = 860,175/x
3. Step 3: Cross multiply
   414,508.50x = 860,175 × 860,175
4. Step 4: Simplify right side
   414,508.50x = 739,901,030,625
5. Step 5: Solve for x
   x = 739,901,030,625/414,508.50
6. Step 6: Final answer
   x = 1,785,008.10