Finding the Third Proportional to 738,434 and 1,589,188

Step by Step Solution

1. Step 1: Write the proportion equation
   738,434 : 1,589,188 = 1,589,188 : x
2. Step 2: Convert to fraction form
   738,434/1,589,188 = 1,589,188/x
3. Step 3: Cross multiply
   738,434x = 1,589,188 × 1,589,188
4. Step 4: Simplify right side
   738,434x = 2,525,518,499,344
5. Step 5: Solve for x
   x = 2,525,518,499,344/738,434
6. Step 6: Final answer
   x = 3,420,100.51