Finding the Third Proportional to 860,548.50 and 1,890,945

Step by Step Solution

1. Step 1: Write the proportion equation
   860,548.50 : 1,890,945 = 1,890,945 : x
2. Step 2: Convert to fraction form
   860,548.50/1,890,945 = 1,890,945/x
3. Step 3: Cross multiply
   860,548.50x = 1,890,945 × 1,890,945
4. Step 4: Simplify right side
   860,548.50x = 3,575,672,993,025
5. Step 5: Solve for x
   x = 3,575,672,993,025/860,548.50
6. Step 6: Final answer
   x = 4,155,109.20