Finding the Third Proportional to 919,100.50 and 2,019,620.50

Step by Step Solution

1. Step 1: Write the proportion equation
   919,100.50 : 2,019,620.50 = 2,019,620.50 : x
2. Step 2: Convert to fraction form
   919,100.50/2,019,620.50 = 2,019,620.50/x
3. Step 3: Cross multiply
   919,100.50x = 2,019,620.50 × 2,019,620.50
4. Step 4: Simplify right side
   919,100.50x = 4,078,866,964,020.25
5. Step 5: Solve for x
   x = 4,078,866,964,020.25/919,100.50
6. Step 6: Final answer
   x = 4,437,890.05