Finding the Third Proportional to 1,290,189 and 2,734,194

Step by Step Solution

1. Step 1: Write the proportion equation
   1,290,189 : 2,734,194 = 2,734,194 : x
2. Step 2: Convert to fraction form
   1,290,189/2,734,194 = 2,734,194/x
3. Step 3: Cross multiply
   1,290,189x = 2,734,194 × 2,734,194
4. Step 4: Simplify right side
   1,290,189x = 7,475,816,829,636
5. Step 5: Solve for x
   x = 7,475,816,829,636/1,290,189
6. Step 6: Final answer
   x = 5,794,357.90