Finding the Third Proportional to 742,120 and 1,589,180

Step by Step Solution

1. Step 1: Write the proportion equation
   742,120 : 1,589,180 = 1,589,180 : x
2. Step 2: Convert to fraction form
   742,120/1,589,180 = 1,589,180/x
3. Step 3: Cross multiply
   742,120x = 1,589,180 × 1,589,180
4. Step 4: Simplify right side
   742,120x = 2,525,493,072,400
5. Step 5: Solve for x
   x = 2,525,493,072,400/742,120
6. Step 6: Final answer
   x = 3,403,079.11