Finding the Third Proportional to 688,182 and 1,619,142

Step by Step Solution

1. Step 1: Write the proportion equation
   688,182 : 1,619,142 = 1,619,142 : x
2. Step 2: Convert to fraction form
   688,182/1,619,142 = 1,619,142/x
3. Step 3: Cross multiply
   688,182x = 1,619,142 × 1,619,142
4. Step 4: Simplify right side
   688,182x = 2,621,620,816,164
5. Step 5: Solve for x
   x = 2,621,620,816,164/688,182
6. Step 6: Final answer
   x = 3,809,487.63