Finding the Third Proportional to 845,871 and 1,245,442.50

Step by Step Solution

1. Step 1: Write the proportion equation
   845,871 : 1,245,442.50 = 1,245,442.50 : x
2. Step 2: Convert to fraction form
   845,871/1,245,442.50 = 1,245,442.50/x
3. Step 3: Cross multiply
   845,871x = 1,245,442.50 × 1,245,442.50
4. Step 4: Simplify right side
   845,871x = 1,551,127,020,806.25
5. Step 5: Solve for x
   x = 1,551,127,020,806.25/845,871
6. Step 6: Final answer
   x = 1,833,763.09