Finding the Third Proportional to 830,744 and 1,290,180

Step by Step Solution

1. Step 1: Write the proportion equation
   830,744 : 1,290,180 = 1,290,180 : x
2. Step 2: Convert to fraction form
   830,744/1,290,180 = 1,290,180/x
3. Step 3: Cross multiply
   830,744x = 1,290,180 × 1,290,180
4. Step 4: Simplify right side
   830,744x = 1,664,564,432,400
5. Step 5: Solve for x
   x = 1,664,564,432,400/830,744
6. Step 6: Final answer
   x = 2,003,703.23