Finding the Third Proportional to 830,738 and 1,290,171

Step by Step Solution

1. Step 1: Write the proportion equation
   830,738 : 1,290,171 = 1,290,171 : x
2. Step 2: Convert to fraction form
   830,738/1,290,171 = 1,290,171/x
3. Step 3: Cross multiply
   830,738x = 1,290,171 × 1,290,171
4. Step 4: Simplify right side
   830,738x = 1,664,541,209,241
5. Step 5: Solve for x
   x = 1,664,541,209,241/830,738
6. Step 6: Final answer
   x = 2,003,689.74