Finding the Third Proportional to 789,816 and 1,225,200

Step by Step Solution

1. Step 1: Write the proportion equation
   789,816 : 1,225,200 = 1,225,200 : x
2. Step 2: Convert to fraction form
   789,816/1,225,200 = 1,225,200/x
3. Step 3: Cross multiply
   789,816x = 1,225,200 × 1,225,200
4. Step 4: Simplify right side
   789,816x = 1,501,115,040,000
5. Step 5: Solve for x
   x = 1,501,115,040,000/789,816
6. Step 6: Final answer
   x = 1,900,588.29