Finding the Third Proportional to 839,117 and 1,810,912

Step by Step Solution

1. Step 1: Write the proportion equation
   839,117 : 1,810,912 = 1,810,912 : x
2. Step 2: Convert to fraction form
   839,117/1,810,912 = 1,810,912/x
3. Step 3: Cross multiply
   839,117x = 1,810,912 × 1,810,912
4. Step 4: Simplify right side
   839,117x = 3,279,402,271,744
5. Step 5: Solve for x
   x = 3,279,402,271,744/839,117
6. Step 6: Final answer
   x = 3,908,158.54