Finding the Third Proportional to 999,816 and 1,424,899.50

Step by Step Solution

1. Step 1: Write the proportion equation
   999,816 : 1,424,899.50 = 1,424,899.50 : x
2. Step 2: Convert to fraction form
   999,816/1,424,899.50 = 1,424,899.50/x
3. Step 3: Cross multiply
   999,816x = 1,424,899.50 × 1,424,899.50
4. Step 4: Simplify right side
   999,816x = 2,030,338,585,100.25
5. Step 5: Solve for x
   x = 2,030,338,585,100.25/999,816
6. Step 6: Final answer
   x = 2,030,712.24