Finding the Third Proportional to 839,118.50 and 1,290,535

Step by Step Solution

1. Step 1: Write the proportion equation
   839,118.50 : 1,290,535 = 1,290,535 : x
2. Step 2: Convert to fraction form
   839,118.50/1,290,535 = 1,290,535/x
3. Step 3: Cross multiply
   839,118.50x = 1,290,535 × 1,290,535
4. Step 4: Simplify right side
   839,118.50x = 1,665,480,586,225
5. Step 5: Solve for x
   x = 1,665,480,586,225/839,118.50
6. Step 6: Final answer
   x = 1,984,797.84